html, body { min-height: 100%; }
body { min-height: 100vh; min-height: 100dvh; overflow-x: hidden; overflow-y: auto; }
main { min-height: 100vh; min-height: 100dvh; overflow: visible; }
.case-hero { min-height: 760px; display: flex; align-items: center; position: relative; padding: calc(var(--header-height) + var(--space-7)) 0 var(--space-7); overflow: visible; }
.case-hero-layout { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(420px, .85fr); gap: clamp(2rem, 4vw, 4rem); align-items: center; }
.case-hero-copy { max-width: 680px; }
.case-hero-copy h1 { max-width: 680px; margin-bottom: var(--space-4); color: #f8fafc; font-size: clamp(3rem, 4.4vw, 4.8rem); line-height: 1.12; letter-spacing: -.045em; }
.case-title-mobile, .case-lead-mobile, .screen-index-mobile, .case-metric-mobile { display: none; }
.case-hero-lead { max-width: 660px; margin-bottom: var(--space-5); font-size: clamp(1.05rem, 1.5vw, 1.25rem); }
.case-back { display: inline-flex; margin-bottom: var(--space-5); color: var(--color-muted); font-size: .76rem; font-weight: 700; }
.case-back:hover { color: var(--color-accent-strong); }
.case-tags { display: flex; flex-wrap: wrap; gap: .55rem; margin: 0; padding: 0; list-style: none; }
.case-tags li { padding: .45rem .72rem; color: var(--color-accent-strong); background: var(--color-accent-soft); border: 1px solid rgba(59,130,246,.24); border-radius: 2rem; font-size: .7rem; font-weight: 700; }
.case-hero-actions { position: relative; z-index: 2; margin-top: var(--space-5); padding-bottom: calc(24px + env(safe-area-inset-bottom)); }
.js .case-hero-copy.reveal { opacity: 1; transform: none; }

.case-hero-preview, .system-screen { position: relative; overflow: hidden; background: linear-gradient(145deg, rgba(18,36,58,.97), rgba(9,23,40,.98)); border: 1px solid var(--color-line-strong); border-radius: var(--radius-lg); box-shadow: var(--shadow-card), var(--shadow-glow); }
.case-hero-preview { min-height: 465px; padding: 4.5rem 2rem 2rem; }
.mock-window-head { position: absolute; inset: 0 0 auto; height: 48px; display: flex; align-items: center; justify-content: space-between; padding: 0 1.2rem; color: var(--color-muted); background: rgba(255,255,255,.025); border-bottom: 1px solid var(--color-line); font-size: .72rem; }
.mock-window-head i { color: var(--color-subtle); font-style: normal; font-size: .62rem; }
.hero-progress-summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.hero-progress-summary small, .hero-progress-summary strong, .hero-product small, .hero-product strong, .hero-product span { display: block; }
.hero-progress-summary small, .hero-product small { color: var(--color-subtle); font-size: .64rem; }
.hero-progress-summary strong { margin-top: .25rem; font-size: 1.15rem; }
.mock-status { padding: .35rem .65rem; color: var(--color-success); background: rgba(34,197,94,.08); border-radius: 2rem; font-size: .63rem; font-weight: 750; }
.hero-product { margin-top: 1.5rem; padding: 1rem; background: rgba(255,255,255,.025); border: 1px solid var(--color-line); border-radius: var(--radius-sm); }
.hero-product strong { margin: .2rem 0; }.hero-product span { color: var(--color-muted); font-size: .72rem; }
.progress-ring { width: 150px; height: 150px; display: grid; place-content: center; margin: 2rem auto; text-align: center; border-radius: 50%; background: radial-gradient(circle closest-side, var(--color-surface-raised) 80%, transparent 81% 99%), conic-gradient(var(--color-accent) 64%, rgba(255,255,255,.07) 0); }
.progress-ring strong { font-size: 2rem; }.progress-ring small { color: var(--color-muted); font-size: .62rem; }
.hero-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; }
.hero-metrics div { padding: .8rem; text-align: center; background: rgba(255,255,255,.025); border: 1px solid var(--color-line); border-radius: .55rem; }
.hero-metrics span, .hero-metrics small { display: block; }.hero-metrics span { font-weight: 750; }.hero-metrics small { color: var(--color-subtle); font-size: .57rem; }

.demo-notice { border-block: 1px solid rgba(59,130,246,.26); background: rgba(59,130,246,.07); }
.demo-notice-inner { min-height: 78px; display: flex; align-items: center; justify-content: center; gap: 1rem 2rem; text-align: center; }
.demo-notice-inner strong { color: var(--color-text); font-size: .82rem; }.demo-notice-inner span { color: var(--color-muted); font-size: .76rem; }

.case-section-heading { max-width: 780px; margin-bottom: var(--space-6); }
.case-section-heading h2, .integration-copy h2, .fit-card h2 { margin-bottom: var(--space-4); text-wrap: balance; overflow-wrap: normal; word-break: keep-all; font-size: clamp(2.15rem, 4vw, 3.8rem); }
.integration-copy h2 { font-size: clamp(2.15rem, 3vw, 3.2rem); }
.case-section-heading > p:last-child { max-width: 650px; margin-bottom: 0; }
.problem-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.problem-card { min-height: 245px; padding: var(--space-4); background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); }
.problem-card > span { color: var(--color-accent); font-size: .66rem; font-weight: 800; }
.problem-card h3 { margin: 3rem 0 .8rem; font-size: 1.1rem; }.problem-card p { margin-bottom: 0; font-size: .82rem; }

.case-step-list { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--color-line); border-left: 1px solid var(--color-line); }
.case-step-list li { min-height: 230px; padding: 1.4rem; border-right: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); }
.case-step-list > li > span { color: var(--color-accent); font-size: .66rem; font-weight: 800; }
.case-step-list h3 { margin: 3rem 0 .7rem; font-size: 1rem; }.case-step-list p { margin-bottom: 0; font-size: .76rem; }

.screen-showcase { display: grid; grid-template-columns: minmax(240px, .7fr) minmax(0, 1.3fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; margin-top: var(--space-7); }
.screen-showcase.screen-reverse { grid-template-columns: minmax(0, 1.3fr) minmax(240px, .7fr); }.screen-reverse .screen-copy { order: 2; }.screen-reverse .system-screen { order: 1; }
.screen-copy > span { display: block; margin-bottom: 1rem; color: var(--color-accent); font-size: .68rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.screen-copy h3 { margin-bottom: 1rem; font-size: clamp(1.7rem, 3vw, 2.7rem); }.screen-copy p { margin-bottom: 0; }
.system-screen { min-height: 430px; padding: 4.5rem 1.5rem 1.5rem; border-radius: var(--radius-md); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; }
.form-grid label { display: block; padding: .75rem; color: var(--color-subtle); background: rgba(255,255,255,.025); border: 1px solid var(--color-line); border-radius: .45rem; font-size: .6rem; }
.form-grid label strong { display: block; margin-top: .35rem; color: var(--color-text); font-size: .76rem; }.form-wide { grid-column: span 2; }
.mock-submit { width: 100%; margin-top: 1rem; padding: .75rem; color: var(--color-text); background: var(--color-accent); border: 0; border-radius: .45rem; font-weight: 750; opacity: .8; }
.record-table { overflow: hidden; border: 1px solid var(--color-line); border-radius: .5rem; }
.record-row { display: grid; grid-template-columns: 1.2fr 1.15fr 1fr .5fr .5fr 1fr; min-width: 680px; border-bottom: 1px solid var(--color-line); }.record-row:last-child { border-bottom: 0; }
.record-row span { padding: .9rem .65rem; color: var(--color-muted); font-size: .64rem; }.record-head span { color: var(--color-subtle); background: rgba(255,255,255,.025); font-weight: 750; }
.record-screen { overflow-x: auto; }
.progress-screen-top { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-top: 1rem; }
.progress-screen-top small, .progress-screen-top strong, .progress-screen-top span, .progress-value strong, .progress-value span { display: block; }
.progress-screen-top small { color: var(--color-accent-strong); font-size: .65rem; }.progress-screen-top > div > strong { margin: .35rem 0; font-size: 1.4rem; }.progress-screen-top span { color: var(--color-muted); font-size: .72rem; }
.progress-value { text-align: right; }.progress-value strong { font-size: 2.2rem; }.progress-value span { color: var(--color-subtle); font-size: .6rem; }
.progress-track { height: 9px; margin: 2rem 0; overflow: hidden; background: rgba(255,255,255,.07); border-radius: 1rem; }.progress-track i { display: block; width: 64%; height: 100%; background: var(--color-accent); border-radius: inherit; }
.progress-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; }.progress-metrics div { padding: 1.1rem; background: rgba(255,255,255,.025); border: 1px solid var(--color-line); border-radius: .5rem; }.progress-metrics small, .progress-metrics strong { display: block; }.progress-metrics small { color: var(--color-subtle); font-size: .62rem; }.progress-metrics strong { margin-top: .4rem; font-size: 1.5rem; }

.integration-layout { display: grid; grid-template-columns: minmax(300px, .8fr) minmax(0, 1.2fr); gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.integration-copy p { max-width: 620px; }.integration-note { padding-left: 1rem; border-left: 2px solid var(--color-highlight); color: var(--color-text); font-size: .82rem; }
.data-flow { display: grid; grid-template-columns: 1fr 24px 1fr 24px 1fr 24px 1fr 24px 1fr; align-items: center; gap: .45rem; }
.flow-node { min-height: 88px; display: grid; place-content: center; padding: .8rem; text-align: center; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-sm); }
.flow-node small, .flow-node strong { display: block; }.flow-node small { color: var(--color-subtle); font-size: .57rem; }.flow-node strong { margin-top: .2rem; font-size: .78rem; }
.flow-node-primary { border-color: rgba(59,130,246,.55); background: var(--color-accent-soft); }.flow-arrow { color: var(--color-accent); text-align: center; }

.fit-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.fit-card { padding: clamp(1.8rem, 4vw, 3rem); background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); }
.fit-card-limit { background: var(--color-bg-soft); }.fit-card h2 { font-size: clamp(2rem, 3vw, 3rem); }
.fit-card ul { display: grid; gap: 1rem; margin: 2rem 0 0; padding: 0; list-style: none; }.fit-card li { position: relative; padding-left: 1.5rem; color: var(--color-muted); }.fit-card li::before { content: ""; position: absolute; left: 0; top: .65em; width: 6px; height: 6px; background: var(--color-accent); border-radius: 50%; }
.case-outcome { display: none; }

@media (max-width: 980px) {
  .case-hero { min-height: auto; }
  .case-hero-layout, .integration-layout { grid-template-columns: 1fr; }
  .case-hero-preview { width: min(100%, 660px); }
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .case-step-list { grid-template-columns: repeat(3, 1fr); }
  .screen-showcase, .screen-showcase.screen-reverse { grid-template-columns: 1fr; gap: 2rem; }
  .screen-reverse .screen-copy, .screen-reverse .system-screen { order: initial; }
  .data-flow { max-width: 700px; grid-template-columns: 1fr; }
  .flow-arrow { transform: rotate(90deg); }
}

@media (max-width: 768px) {
  .case-hero { padding: calc(var(--header-height) + 1.5rem) 0 2rem; }
  .case-hero-layout { gap: 1rem; }
  .case-hero-copy { display: contents; }
  .case-back { display: none; }
  .case-hero-copy .eyebrow { order: 1; margin-bottom: 0; }
  .case-hero-copy h1 { order: 2; margin-bottom: .2rem; font-size: clamp(2.3rem, 10.5vw, 3rem); line-height: 1.08; letter-spacing: -.04em; }
  .case-title-desktop, .case-lead-desktop { display: none; }
  .case-title-mobile { display: block; }
  .case-title-mobile > span { display: block; white-space: nowrap; }
  .case-title-mobile > span + span { margin-top: .12em; }
  .case-hero-lead { order: 3; margin-bottom: .25rem; font-size: .95rem; line-height: 1.65; }
  .case-lead-mobile { display: inline; }
  .case-tags { display: none; }
  .case-hero-preview { order: 4; min-height: 300px; padding: 3.8rem 1rem .9rem; }
  .case-hero-actions { order: 5; width: 100%; margin-top: .25rem; padding-bottom: calc(12px + env(safe-area-inset-bottom)); }
  .case-hero-actions .button { width: 100%; min-height: 50px; }
  .case-hero-preview .hero-product { margin-top: .75rem; padding: .7rem .8rem; }
  .case-hero-preview .progress-ring { width: 112px; height: 112px; margin: .85rem auto 0; }
  .case-hero-preview .progress-ring strong { font-size: 1.65rem; }
  .case-hero-preview .hero-metrics { display: none; }
  .demo-notice-inner { align-items: flex-start; flex-direction: column; gap: .35rem; padding-block: 1rem; text-align: left; }
  .problem-grid, .case-step-list, .fit-grid { grid-template-columns: 1fr; }
  .problem-grid { gap: 0; border-top: 1px solid var(--color-line); }
  .problem-card { min-height: 0; display: grid; grid-template-columns: 36px minmax(0, 1fr); padding: 1.15rem 0; background: transparent; border: 0; border-bottom: 1px solid var(--color-line); border-radius: 0; }
  .problem-card > span { grid-column: 1; grid-row: 1 / span 2; padding-top: .15rem; }
  .problem-card h3 { grid-column: 2; margin: 0 0 .35rem; font-size: 1rem; }
  .problem-card p { grid-column: 2; font-size: .76rem; line-height: 1.65; }
  .case-step-list { border-left: 0; }.case-step-list li { min-height: auto; display: grid; grid-template-columns: 38px 1fr; gap: .8rem; padding: 1rem 0; border-right: 0; }.case-step-list h3 { margin: 0 0 .3rem; }.case-step-list p { line-height: 1.55; }
  .case-screens > .container { display: flex; flex-direction: column; }
  .case-screens .case-section-heading { order: 0; }
  .report-entry-showcase { order: 1; }
  .order-progress-showcase { order: 2; }
  .record-showcase { order: 3; }
  .screen-showcase, .screen-showcase.screen-reverse { width: 100%; max-width: none; min-width: 0; display: flex; flex-direction: column; align-items: stretch; gap: 1.25rem; margin-top: 3.5rem; }
  .screen-showcase .system-screen, .screen-reverse .system-screen { order: 1; }
  .screen-showcase .screen-copy, .screen-reverse .screen-copy { order: 2; }
  .screen-copy > span { margin-bottom: .65rem; }
  .screen-copy h3 { margin-bottom: .55rem; font-size: 1.55rem; }
  .screen-copy p { font-size: .82rem; line-height: 1.7; }
  .screen-index-desktop { display: none; }
  .screen-index-mobile { display: inline; }
  .case-metric-desktop { display: none; }
  .case-metric-mobile { display: inline; }
  .system-screen, .report-form { width: 100%; max-width: none; min-width: 0; height: auto; min-height: 0; padding: 3.8rem .8rem .8rem; }
  .form-grid { width: 100%; max-width: none; min-width: 0; grid-template-columns: minmax(0, 1fr); }.form-grid label { width: 100%; min-width: 0; }.form-wide { grid-column: auto; }
  .report-entry-showcase .form-grid label:nth-child(2),
  .report-entry-showcase .form-grid label:nth-child(4),
  .report-entry-showcase .form-grid label:nth-child(7) { display: none; }
  .record-screen { min-height: 0; overflow: visible; padding: 3.8rem .8rem .8rem; }
  .record-table { display: grid; gap: .55rem; overflow: visible; border: 0; }
  .record-head { display: none; }
  .record-row { min-width: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .65rem; padding: .8rem; border: 1px solid var(--color-line); border-radius: .45rem; }
  .record-row span { min-width: 0; padding: 0; font-size: .68rem; }
  .record-row span::before { content: attr(data-label); display: block; margin-bottom: .2rem; color: var(--color-subtle); font-size: .52rem; font-weight: 700; }
  .record-row span:nth-child(1) { grid-column: 1 / -1; color: var(--color-subtle); font-size: .58rem; }
  .record-row span:nth-child(2) { color: var(--color-text); font-weight: 750; }
  .record-row span:nth-child(6) { display: none; }
  .progress-screen-top { align-items: flex-start; }.progress-value strong { font-size: 1.8rem; }
  .progress-metrics { gap: .4rem; }.progress-metrics div { padding: .75rem .55rem; }.progress-metrics strong { font-size: 1.2rem; }
  .case-outcome { display: block; padding: 4.5rem 0; background: var(--color-bg-soft); border-block: 1px solid var(--color-line); }
  .case-outcome h2 { max-width: 12em; margin-bottom: 1.75rem; font-size: clamp(2rem, 9vw, 2.7rem); line-height: 1.18; }
  .case-outcome ul { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--color-line); }
  .case-outcome li { position: relative; padding: 1rem 0 1rem 1.4rem; color: var(--color-muted); border-bottom: 1px solid var(--color-line); font-size: .82rem; }
  .case-outcome li::before { content: ""; position: absolute; left: 0; top: 1.45rem; width: 6px; height: 6px; background: var(--color-accent); border-radius: 50%; }
}
html[data-theme="light"] .case-hero,
html[data-theme="light"] .case-problems,
html[data-theme="light"] .case-screens,
html[data-theme="light"] .fit-section,
html[data-theme="light"] .contact-section { color: #172033; background-color: #f4f7fb; }
html[data-theme="light"] .case-hero-copy h1 { color: #172033; }
html[data-theme="light"] .integration-section { background: #eaf0f7; }
html[data-theme="light"] .demo-notice { background: rgba(59,130,246,.08); border-color: rgba(59,130,246,.22); }
html[data-theme="light"] .case-hero-preview,
html[data-theme="light"] .system-screen { color: #172033; background: linear-gradient(145deg, #ffffff, #f1f5fa); border-color: #d8e0ea; box-shadow: 0 20px 48px rgba(31,50,78,.12), 0 14px 44px rgba(37,99,235,.07); }
html[data-theme="light"] .problem-card,
html[data-theme="light"] .fit-card,
html[data-theme="light"] .flow-node { color: #172033; background: #ffffff; border-color: #d8e0ea; }
html[data-theme="light"] .case-step-list { border-color: #d8e0ea; }
html[data-theme="light"] .case-step-list li { background: #ffffff; border-color: #d8e0ea; }
html[data-theme="light"] .fit-card-limit { background: #f7f9fc; }
html[data-theme="light"] .flow-node-primary { background: rgba(59,130,246,.1); border-color: rgba(59,130,246,.45); }
html[data-theme="light"] .mock-submit { color: #ffffff; }
html[data-theme="light"] .mock-window-head,
html[data-theme="light"] .hero-product,
html[data-theme="light"] .hero-metrics div,
html[data-theme="light"] .form-grid label,
html[data-theme="light"] .record-head span,
html[data-theme="light"] .progress-metrics div { background: rgba(23,32,51,.035); border-color: #d8e0ea; }
html[data-theme="light"] .record-table,
html[data-theme="light"] .record-row { border-color: #d8e0ea; }
html[data-theme="light"] .progress-ring { background: radial-gradient(circle closest-side, #ffffff 80%, transparent 81% 99%), conic-gradient(var(--color-accent) 64%, #e1e7ef 0); }
html[data-theme="light"] .progress-track { background: #dfe6ef; }

@media (max-width: 768px) {
  html[data-theme="light"] .problem-card { background: transparent; border: 0; border-bottom: 1px solid #d8e0ea; }
  html[data-theme="light"] .case-outcome { color: #172033; background: #eaf0f7; border-color: #d8e0ea; }
  html[data-theme="light"] .case-outcome ul,
  html[data-theme="light"] .case-outcome li { border-color: #d8e0ea; }
}

@media (max-width: 760px) {
  .case-hero-copy h1 { font-size: clamp(2.35rem, 9vw, 3.1rem); }
}