/* Taller nav on case-study pages only, to make room for the
               case-study progress indicator below the main nav content —
               but only above the breakpoint where the indicator (and the
               nav links it's anchored to) are actually visible. Below
               that, there's nothing to make room for, so the nav stays at
               its normal shared height instead of wasting mobile space. */
            @media (min-width: 1001px) {
                :root {
                    --nav-h: 116px;
                }
                /* Pin the nav's main content near the top of the taller
                   bar instead of letting it re-center within the extra
                   height. */
                .nav {
                    align-items: flex-start;
                    padding-top: 20px;
                }
                /* base.css's .nav.scrolled sets its own padding shorthand
                   (padding: 0 1.5rem), which resets padding-top back to 0
                   — restore it here so the top margin holds while
                   scrolled too. */
                .nav.scrolled {
                    padding-top: 20px;
                }
            }

            /* ─────────────────────────────────────────────
               HERO
            ───────────────────────────────────────────── */
            .hero {
                position: relative;
                padding-top: calc(var(--nav-h) + 4rem);
                padding-bottom: 6rem;
                overflow: hidden;
                background: radial-gradient(
                        120% 90% at 82% -10%,
                        rgba(90, 168, 234, 0.18),
                        transparent 60%
                    ),
                    linear-gradient(165deg, #0d2b47 0%, #0a1830 45%, #090c14 100%);
                color: var(--bg);
            }
            .hero::after {
                content: "";
                position: absolute;
                inset: 0;
                background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
                opacity: 0.05;
                mix-blend-mode: overlay;
                pointer-events: none;
            }

            .shell {
                max-width: 1180px;
                margin: 0 auto;
                padding: 0 var(--gutter);
                position: relative;
                z-index: 1;
            }

            .hero-avail {
                display: inline-flex;
                align-items: center;
                gap: 0.5rem;
                font-family: "JetBrains Mono", monospace;
                font-size: 0.75rem;
                letter-spacing: 0.1em;
                text-transform: uppercase;
                color: rgba(250, 250, 249, 0.68);
                margin-bottom: 2rem;
            }
            .avail-dot {
                width: 7px;
                height: 7px;
                border-radius: 50%;
                background: var(--teal-bright);
                box-shadow: 0 0 10px rgba(90, 168, 234, 0.7);
            }

            .hero-name {
                font-size: clamp(2.369rem, 6.4vw, 4.213rem);
                line-height: 1.04;
                letter-spacing: -0.03em;
                color: var(--bg);
                max-width: 900px;
            }
            .hero-name .accent {
                color: var(--teal-bright);
            }

            .hero-lede {
                margin-top: 2rem;
                font-size: 1rem;
                line-height: 1.75;
                color: rgba(250, 250, 249, 0.72);
                max-width: 620px;
            }
            .hero-lede .hl {
                color: var(--teal-bright);
                font-weight: 600;
            }

            /* Floating stat/meta card overlapping hero bottom edge */
            .stat-float {
                position: relative;
                z-index: 2;
                max-width: 1180px;
                margin: -4rem auto 0;
                padding: 0 var(--gutter);
            }
            .stat-float-inner {
                background: var(--panel);
                border: 1px solid var(--border-soft);
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-float);
                display: flex;
                flex-wrap: wrap;
            }
            .stat-cell {
                flex: 1;
                min-width: 160px;
                padding: 1.5rem 2rem;
                border-right: 1px solid var(--border-soft);
            }
            .stat-cell:last-child {
                border-right: none;
            }
            .stat-num {
                display: block;
                font-size: 2.369rem;
                font-weight: 800;
                letter-spacing: -0.02em;
                color: var(--ink);
                line-height: 1;
            }
            .stat-cell.text .stat-num {
                font-size: 1rem;
                font-weight: 600;
                line-height: 1.45;
            }
            .stat-label {
                display: block;
                margin-top: 0.5rem;
                font-family: "JetBrains Mono", monospace;
                font-size: 0.75rem;
                letter-spacing: 0.08em;
                text-transform: uppercase;
                color: var(--faint);
            }

            /* Hero figure — floats free, not boxed in a panel */
            .cs-hero-figure-wrap {
                max-width: 1180px;
                margin: 3.5rem auto 0;
                padding: 0 var(--gutter);
                display: flex;
                justify-content: center;
            }
            .cs-figure {
                max-width: 640px;
                width: 100%;
            }
            .cs-figure img {
                width: 100%;
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-float);
                border: 1px solid var(--border-soft);
                background: var(--panel);
            }
            .cs-caption {
                margin-top: 1rem;
                text-align: center;
                font-family: "JetBrains Mono", monospace;
                font-size: 0.75rem;
                letter-spacing: 0.08em;
                text-transform: uppercase;
                color: var(--faint);
            }

            /* Phone mockups ship with transparent backgrounds — suppress
               the rectangular shadow/radius that would otherwise box them. */
            .phone-mockup {
                box-shadow: none !important;
                border-radius: 0 !important;
                border: none !important;
                background: transparent !important;
            }


            /* ─────────────────────────────────────────────
               CASE STUDY PROSE
            ───────────────────────────────────────────── */
            .cs-body {
                display: flex;
                flex-direction: column;
                gap: 1rem;
                margin-top: 2rem;
            }
            .cs-body p {
                font-size: 1rem;
                line-height: 1.85;
                color: var(--muted);
                max-width: 680px;
            }
            .cs-body p strong {
                color: var(--ink);
                font-weight: 600;
            }

            .cs-callout {
                margin: 0.5rem 0;
                padding: 1.5rem 1.5rem;
                border: 1px dashed var(--border);
                border-radius: var(--radius-sm);
                background: var(--bg-alt);
                display: flex;
                gap: 1rem;
                align-items: flex-start;
            }
            .cs-callout-icon {
                font-family: "JetBrains Mono", monospace;
                font-size: 0.563rem;
                font-weight: 600;
                letter-spacing: 0.1em;
                text-transform: uppercase;
                color: var(--teal-deep);
                background: var(--teal-bg);
                border: 1px solid var(--teal-border);
                padding: 0.25rem 0.5rem;
                border-radius: var(--radius-pill);
                flex-shrink: 0;
                line-height: 1;
            }
            .cs-callout-body {
                font-size: 1rem;
                line-height: 1.65;
                color: var(--muted);
            }

            .cs-pullquote {
                margin: 0.5rem 0;
                padding: 2rem 2rem;
                border-left: 3px solid var(--teal);
                background: var(--teal-bg);
                border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
                font-size: clamp(1rem, 2vw, 1.333rem);
                font-weight: 500;
                line-height: 1.55;
                color: var(--ink-soft);
            }

            /* Split — image alongside prose within a panel */
            .cs-split-inner {
                display: grid;
                grid-template-columns: 300px 1fr;
                gap: 3rem;
                align-items: center;
            }
            .cs-split-inner.reverse {
                grid-template-columns: 1fr 300px;
            }
            .cs-split-media img {
                width: 100%;
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-card);
            }
            .cs-split-body .eyebrow {
                margin-bottom: 1rem;
            }
            .cs-split-body .heading-lg {
                font-size: clamp(1.333rem, 2.6vw, 2.369rem);
                margin-bottom: 1.5rem;
                max-width: 22ch;
            }
            .cs-split-body p {
                font-size: 1rem;
                line-height: 1.75;
                color: var(--muted);
                margin-bottom: 1rem;
            }
            .cs-split-body p:last-child {
                margin-bottom: 0;
            }
            .cs-split-body p strong {
                color: var(--ink);
                font-weight: 600;
            }

            /* ─────────────────────────────────────────────
               OUTCOMES (dark panel)
            ───────────────────────────────────────────── */
            .cs-outcomes-grid {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 2rem;
                margin-top: 2.5rem;
                position: relative;
                z-index: 1;
            }
            .cs-outcome {
                padding-top: 1.5rem;
                border-top: 1px solid rgba(250, 250, 249, 0.16);
            }
            .cs-outcome-metric {
                font-size: clamp(1.777rem, 3.2vw, 2.369rem);
                font-weight: 800;
                letter-spacing: -0.02em;
                color: var(--bg);
                line-height: 1;
                margin-bottom: 0.5rem;
            }
            .cs-outcome-metric em {
                font-style: normal;
                color: var(--teal-bright);
            }
            .cs-outcome-label {
                font-family: "JetBrains Mono", monospace;
                font-size: 0.75rem;
                letter-spacing: 0.06em;
                text-transform: uppercase;
                color: rgba(250, 250, 249, 0.6);
                line-height: 1.5;
            }

            /* ─────────────────────────────────────────────
               FOOTER NAV (prev/next case study)
            ───────────────────────────────────────────── */
            .cs-footnav {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .cs-footnav-link {
                display: flex;
                flex-direction: column;
                gap: 0.5rem;
                padding: 2rem;
                border: 1px solid var(--border);
                border-radius: var(--radius-md);
                background: var(--panel);
                text-decoration: none;
                transition:
                    border-color 0.25s ease,
                    box-shadow 0.25s ease,
                    transform 0.25s ease;
            }
            .cs-footnav-link:hover {
                border-color: var(--teal-border);
                box-shadow: var(--shadow-card);
                transform: translateY(-2px);
            }
            .cs-footnav-link.next {
                align-items: flex-end;
                text-align: right;
            }
            .cs-footnav-direction {
                font-family: "JetBrains Mono", monospace;
                font-size: 0.75rem;
                letter-spacing: 0.08em;
                text-transform: uppercase;
                color: var(--faint);
            }
            .cs-footnav-title {
                font-size: 1rem;
                font-weight: 700;
                letter-spacing: -0.01em;
                color: var(--ink);
                transition: color 0.2s ease;
            }
            .cs-footnav-link:hover .cs-footnav-title {
                color: var(--teal);
            }

            /* ─────────────────────────────────────────────
               RESPONSIVE (case-study shared)
            ───────────────────────────────────────────── */
            @media (max-width: 1000px) {
                .cs-split-inner,
                .cs-split-inner.reverse {
                    grid-template-columns: 1fr;
                    gap: 2rem;
                }
            }
            @media (max-width: 768px) {
                .cs-outcomes-grid {
                    grid-template-columns: repeat(2, 1fr);
                }
            }
            @media (max-width: 540px) {
                .cs-outcomes-grid {
                    grid-template-columns: 1fr;
                }
                .cs-footnav {
                    grid-template-columns: 1fr;
                }
                .cs-footnav-link.next {
                    align-items: flex-start;
                    text-align: left;
                }
            }

            /* ─────────────────────────────────────────────
               CASE STUDY SUBMENU (floating 01·02·03·04 wayfinding
               indicator under the Case Studies nav link)
            ───────────────────────────────────────────── */
            .cs-progress {
                position: fixed;
                z-index: 801;
                display: flex;
                gap: 4px;
                opacity: 0;
                pointer-events: none;
                transition:
                    opacity 0.2s ease,
                    top 0.45s cubic-bezier(0.23, 1, 0.32, 1),
                    left 0.45s cubic-bezier(0.23, 1, 0.32, 1),
                    width 0.45s cubic-bezier(0.23, 1, 0.32, 1);
            }
            .cs-progress.visible {
                opacity: 1;
                pointer-events: auto;
            }
            .cs-progress-seg {
                flex: 1;
                display: flex;
                flex-direction: column;
                align-items: center;
                gap: 0.375rem;
                text-decoration: none;
            }
            .cs-progress-num {
                font-family: "JetBrains Mono", monospace;
                font-size: 1rem;
                font-weight: 700;
                color: var(--muted);
                transition: color 0.2s ease;
            }
            .cs-progress-underline {
                width: 100%;
                height: 3px;
                border-radius: var(--radius-pill);
                background: transparent;
                transition: background 0.2s ease;
            }
            .cs-progress-seg:hover .cs-progress-num {
                color: var(--teal-deep);
            }
            .cs-progress-seg.active .cs-progress-num {
                color: var(--teal-deep);
            }
            .cs-progress-seg.active .cs-progress-underline {
                background: var(--teal);
            }
            @media (max-width: 1000px) {
                .cs-progress {
                    display: none;
                }
            }