:root {
            --bg: #efe8df;
            --panel: #fdfbf8;
            --panel-strong: #ffffff;
            --ink: #312b2c;
            --ink-2: #221d1e;
            --muted: #7a6d60;
            --line: rgba(49, 43, 44, 0.13);
            --brand: #7d9194;
            --brand-2: #4a5f62;
            --brand-tint: #aebfc1;
            --accent: #94806f;
            --shadow: 0 1px 2px rgba(49, 43, 44, 0.05), 0 24px 44px -28px rgba(49, 43, 44, 0.32);
            --shadow-sm: 0 1px 2px rgba(49, 43, 44, 0.06);
            --grad: linear-gradient(135deg, #7d9194 0%, #61777a 55%, #4e6568 100%);
            --radius: 18px;
            --radius-sm: 12px;
            --grid-line: rgba(255, 255, 255, 0.06);
            --mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, 'Liberation Mono', monospace;
        }

        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: 'Plus Jakarta Sans', Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            color: var(--ink);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        h1, h2, h3, h4 { font-family: 'Sora', 'Plus Jakarta Sans', sans-serif; letter-spacing: -0.02em; }
        h1, h2, h3, p { margin-top: 0; }
        a { color: inherit; }

        /* ---- Band system: full-bleed sections, constrained inner content ---- */
        .band-inner { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }
        .band { width: 100%; }
        .band--cream { background: var(--bg); }
        .band--white { background: var(--panel-strong); }
        .band--tint { background: linear-gradient(180deg, rgba(125, 145, 148, 0.08), rgba(125, 145, 148, 0.03)); }
        .band--dark { background: linear-gradient(165deg, var(--ink) 0%, var(--ink-2) 100%); color: #fff; }
        .band--dark .muted { color: rgba(255, 255, 255, 0.56); }

        .title { margin: 0; font-size: clamp(2.1rem, 4.6vw, 4.4rem); line-height: 1.03; letter-spacing: -0.03em; font-weight: 800; }
        .lede { color: var(--muted); font-size: 1.08rem; line-height: 1.65; }
        .band--dark .lede { color: rgba(255, 255, 255, 0.66); }
        .eyebrow {
            display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px;
            font-size: 0.76rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand-2);
        }
        .eyebrow::before { content: ''; width: 24px; height: 2px; background: var(--brand); border-radius: 1px; flex-shrink: 0; }
        .band--dark .eyebrow { color: var(--brand-tint); }
        .band--dark .eyebrow::before { background: var(--brand-tint); }

        .card { background: var(--panel-strong); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
        .badge {
            display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; font-size: 0.76rem;
            font-weight: 800; color: var(--brand-2); background: rgba(125, 145, 148, 0.12); white-space: nowrap;
        }
        .status-pill { display: inline-flex; align-items: center; gap: 7px; padding: 7px 13px; border-radius: 999px; font-size: 0.8rem; font-weight: 800; }
        .status-pill::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
        .status-pill--approved { background: rgba(30, 107, 59, 0.12); color: #1e6b3b; }
        .status-pill--pending { background: rgba(160, 124, 31, 0.14); color: #a07c1f; }
        .status-pill--rejected { background: rgba(160, 48, 39, 0.12); color: #a03027; }
        .status-pill--cancelled { background: rgba(122, 109, 96, 0.16); color: var(--muted); }

        .button {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 22px;
            border-radius: 999px; text-decoration: none; font-weight: 700; font-size: 0.92rem; border: 1px solid transparent; cursor: pointer;
            transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
        }
        .button-primary { color: #fff; background: var(--grad); box-shadow: 0 1px 2px rgba(49, 43, 44, 0.08), 0 12px 24px -10px rgba(125, 145, 148, 0.55); }
        .button-primary:hover { transform: translateY(-1px); box-shadow: 0 1px 2px rgba(49, 43, 44, 0.1), 0 16px 30px -10px rgba(125, 145, 148, 0.6); }
        .button-secondary { color: var(--ink); background: transparent; border-color: var(--line); }
        .button-secondary:hover { border-color: var(--brand); color: var(--brand-2); }
        .band--dark .button-secondary { color: #fff; border-color: rgba(255, 255, 255, 0.24); }
        .band--dark .button-secondary:hover { border-color: var(--brand-tint); color: var(--brand-tint); }
        .button[disabled] { opacity: 0.7; cursor: not-allowed; pointer-events: none; }
        .button.is-loading { gap: 10px; }
        .button.is-loading::before {
            content: ''; width: 15px; height: 15px; border-radius: 50%;
            border: 2px solid currentColor; border-top-color: transparent;
            animation: button-spin 0.7s linear infinite; flex-shrink: 0;
        }
        @keyframes button-spin { to { transform: rotate(360deg); } }

        .section-title { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin: 0 0 28px; }
        .section-title h2 { margin: 0; font-size: clamp(1.5rem, 2.6vw, 2rem); }
        .section-title p { margin: 6px 0 0; color: var(--muted); max-width: 58ch; }
        .empty { padding: 20px; color: var(--muted); text-align: center; }

        @media (prefers-reduced-motion: reduce) { * { animation: none !important; scroll-behavior: auto !important; transition: none !important; } }

        /* ---- Slim header ---- */
        .site-header {
            position: sticky; top: 0; z-index: 70; background: transparent;
            border-bottom: 1px solid transparent;
            transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .site-header.scrolled { background: rgba(253, 251, 248, 0.94); border-color: var(--line); box-shadow: 0 1px 2px rgba(49, 43, 44, 0.04); }
        .site-header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 0; transition: padding 0.25s ease; }
        .site-header.scrolled .site-header-inner { padding: 14px 0; }

        .brand { display: inline-flex; align-items: center; text-decoration: none; color: inherit; }
        .brand-logo { height: 40px; width: auto; display: block; transition: height 0.25s ease; }
        .site-header.scrolled .brand-logo { height: 34px; }

        .site-nav { display: flex; align-items: center; }
        .site-nav a {
            position: relative; padding: 9px 15px; color: var(--muted); text-decoration: none;
            font-size: 0.92rem; font-weight: 600; transition: color 0.15s ease;
        }
        .site-nav a:hover { color: var(--ink); }
        .site-nav a.active { color: var(--ink); font-weight: 700; }
        .site-nav a.active::after { content: ''; position: absolute; left: 15px; right: 15px; bottom: 3px; height: 2px; background: var(--brand); border-radius: 1px; }
        .site-nav a.pill { margin-left: 6px; padding: 9px 18px; border-radius: 999px; border: 1px solid var(--line); font-size: 0.88rem; }
        .site-nav a.pill:hover { border-color: var(--brand); }
        .site-nav a.cta { margin-left: 6px; padding: 11px 22px; border-radius: 999px; background: var(--grad); color: #fff; font-weight: 700; box-shadow: 0 10px 22px -12px rgba(125, 145, 148, 0.6); }
        .site-nav a.cta:hover { transform: translateY(-1px); }
        /* Staff-only entry point: pushed past the public links with a divider so
           it reads as separate from them, and reduced to its icon. */
        .site-nav a.nav-icon {
            display: inline-flex; align-items: center; justify-content: center;
            width: 38px; height: 38px; padding: 0; margin-left: 14px;
            border-radius: 999px; color: var(--brand-2);
            background: rgba(125, 145, 148, 0.14);
            border: 1px solid rgba(74, 95, 98, 0.22);
            transition: color .15s ease, background .15s ease, border-color .15s ease, transform .15s ease, box-shadow .15s ease;
        }
        .site-nav a.nav-icon::before {
            content: ''; position: absolute; left: -14px; top: 50%; transform: translateY(-50%);
            width: 1px; height: 22px; background: var(--line);
        }
        /* Fills in on hover so it clearly reads as a button, without competing
           with the solid "Book a Lab" CTA next to it. */
        .site-nav a.nav-icon:hover {
            color: #fff; background: var(--brand-2); border-color: var(--brand-2);
            transform: translateY(-1px);
            box-shadow: 0 8px 18px -10px rgba(74, 95, 98, 0.8);
        }
        /* Hover label, from data-tip on the anchor. ::before is already taken by
           the divider, so the bubble uses ::after — which also means the shared
           .site-nav a.active underline can't apply here, and it shouldn't:
           a dash under a round icon reads as a stray mark. */
        .site-nav a.nav-icon::after {
            content: attr(data-tip);
            position: absolute; top: calc(100% + 9px); left: 50%;
            transform: translateX(-50%) translateY(-3px);
            padding: 5px 10px; border-radius: 8px;
            background: var(--ink-2); color: #fff;
            font-size: 0.72rem; font-weight: 700; white-space: nowrap;
            box-shadow: 0 10px 20px -10px rgba(34, 29, 30, 0.85);
            opacity: 0; pointer-events: none;
            transition: opacity .15s ease, transform .15s ease;
        }
        .site-nav a.nav-icon:hover::after,
        .site-nav a.nav-icon:focus-visible::after {
            opacity: 1; transform: translateX(-50%) translateY(0);
        }

        @media (max-width: 880px) {
            .site-nav { display: none; }
            body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
        }

        /* ---- Mobile bottom tab bar ---- */
        .mobile-tabbar {
            display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
            background: var(--panel-strong); border-top: 1px solid var(--line);
            padding: 8px 6px calc(8px + env(safe-area-inset-bottom));
        }
        .mobile-tabbar-inner { display: flex; align-items: stretch; justify-content: space-around; }
        .mobile-tabbar a {
            display: flex; flex-direction: column; align-items: center; gap: 3px; min-width: 60px; min-height: 48px;
            padding: 4px 6px; border-radius: var(--radius-sm); text-decoration: none; color: var(--muted); font-size: 0.66rem; font-weight: 700;
        }
        .mobile-tabbar a.active { color: var(--brand-2); }
        .mobile-tabbar a svg { flex-shrink: 0; }
        @media (max-width: 880px) { .mobile-tabbar { display: block; } }

        /* ---- Footer ---- */
        .site-footer { padding: 56px 0 0; }
        .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
        .footer-brand { margin-bottom: 14px; }
        .footer-logo { height: 34px; width: auto; display: block; }
        .footer-desc { color: rgba(255, 255, 255, 0.56); font-size: 0.9rem; line-height: 1.6; max-width: 34ch; }
        .footer-col h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255, 255, 255, 0.5); margin-bottom: 14px; }
        .footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
        .footer-col a { color: rgba(255, 255, 255, 0.78); text-decoration: none; font-size: 0.92rem; }
        .footer-col a:hover { color: #fff; }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 20px 0; display: flex; align-items: center;
            justify-content: space-between; gap: 12px; flex-wrap: wrap; color: rgba(255, 255, 255, 0.44); font-size: 0.8rem;
        }
        @media (max-width: 760px) {
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
        }

        @media (max-width: 880px) {
            /* iOS Safari zooms the whole page in whenever a focused form control
               renders its text below 16px, and does not zoom back out — the
               visitor is left pinched in halfway through the booking form. 16px
               is the exact threshold, so every control gets it on small screens.
               Applies to any control without a more specific rule of its own;
               the pages that do set their own size repeat this in their own
               <style> block. */
            input, select, textarea { font-size: 16px; }

            /* Footer links were 18px tall — the text line and nothing more.
               Padding brings them to a comfortable thumb size without changing
               how the list looks. */
            .footer-col ul { gap: 0; }
            .footer-col a { display: inline-block; padding: 9px 0; }
        }