:root {
  color-scheme: light;
  --background: #f4f7fb;
  --surface: #ffffff;
  --surface-muted: #eaf0f7;
  --text: #142033;
  --muted: #5b6878;
  --border: #cbd5e1;
  --brand: #175cd3;
  --brand-strong: #0f47a8;
  --success: #087a55;
  --danger: #b42318;
  --focus: #f79009;
  --shadow: 0 12px 32px rgba(20, 32, 51, 0.09);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 0;
}

body {
  min-width: 0;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, #e7efff 0, transparent 28rem),
    var(--background);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

button,
input {
  font: inherit;
}

a {
  color: var(--brand);
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 0.12em;
}

button,
a,
input {
  border-radius: 0.5rem;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

code {
  padding: 0.15rem 0.35rem;
  border-radius: 0.3rem;
  background: var(--surface-muted);
  font-size: 0.9em;
}

.hidden {
  display: none !important;
}

nav {
  padding: 0 1.5rem;
  color: #ffffff;
  background: #111c2e;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.12);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, 68rem);
  min-height: 4rem;
  margin: 0 auto;
  gap: 1rem;
}

.nav-inner a {
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

#nav-cart {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.cart-badge {
  display: inline-grid;
  min-width: 1.45rem;
  min-height: 1.45rem;
  padding: 0.1rem 0.35rem;
  place-items: center;
  border-radius: 999px;
  color: #111c2e;
  background: #fdb022;
  font-size: 0.75rem;
  font-weight: 800;
}

.btn-link {
  min-height: 2.75rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #ffffff;
  background: transparent;
  cursor: pointer;
}

.btn-link:hover {
  background: rgba(255, 255, 255, 0.1);
}

main {
  width: min(100%, 68rem);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.status {
  width: fit-content;
  margin: 0 auto 1.5rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid #b2ccff;
  border-radius: 0.6rem;
  color: #153f8c;
  background: #eff4ff;
  font-weight: 650;
}

.card,
.product-card {
  border: 1px solid rgba(203, 213, 225, 0.8);
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-card {
  width: min(100%, 27rem);
  margin: 2rem auto;
  padding: 2rem;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.5rem;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h2 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
  line-height: 1.25;
}

.eyebrow {
  margin-bottom: 0.55rem;
  color: var(--brand);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.text-muted,
.availability {
  color: var(--muted);
}

.text-muted {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 700;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  min-height: 2.8rem;
  margin-top: 0.35rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--surface);
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: var(--brand);
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--brand);
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  color: #ffffff;
  background: var(--brand);
}

.btn-primary:hover {
  border-color: var(--brand-strong);
  background: var(--brand-strong);
}

.btn-primary:disabled {
  border-color: #94a3b8;
  background: #94a3b8;
  cursor: wait;
}

.btn-secondary {
  color: var(--brand);
  background: #ffffff;
}

.btn-secondary:hover {
  background: #eff4ff;
}

.login-card .btn-primary {
  width: 100%;
  margin-top: 1.5rem;
}

.error {
  margin: 0.8rem 0 0;
  color: var(--danger);
  font-weight: 650;
}

.page-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
}

.page-heading .text-muted {
  max-width: 26rem;
  margin-bottom: 0.25rem;
  text-align: right;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.product-card {
  display: flex;
  min-width: 0;
  padding: 1.5rem;
  flex-direction: column;
}

.product-card .price {
  margin-bottom: 0.2rem;
  color: var(--success);
  font-size: 1.65rem;
  font-weight: 800;
}

.product-card .availability {
  margin-bottom: 1.35rem;
}

.product-card button {
  width: 100%;
  margin-top: auto;
}

.checkout-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(20rem, 1.1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.checkout-summary,
.checkout-form,
.confirmation-card {
  padding: 1.5rem;
}

.checkout-summary {
  align-self: start;
}

.checkout-summary ul {
  margin: 1rem 0;
  padding: 0;
  list-style: none;
}

.checkout-summary li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--surface-muted);
}

.checkout-summary li span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.checkout-summary li strong {
  white-space: nowrap;
}

.checkout-total {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 1rem 0 0;
  font-size: 1.05rem;
}

.checkout-form fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.checkout-form legend {
  margin-bottom: 0.85rem;
  font-weight: 800;
}

.outcome-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 0.75rem;
  margin: 0 0 0.75rem;
  padding: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  cursor: pointer;
}

.outcome-option:has(input:checked) {
  border-color: var(--brand);
  background: #eff4ff;
}

.outcome-option:has(input:disabled) {
  color: var(--muted);
  background: var(--surface-muted);
  cursor: wait;
}

.outcome-option input {
  width: 1.15rem;
  height: 1.15rem;
  margin: 0.2rem 0 0;
  accent-color: var(--brand);
}

.outcome-option span,
.outcome-option small {
  display: block;
}

.outcome-option small {
  margin-top: 0.15rem;
  color: var(--muted);
}

.checkout-form .btn-primary {
  width: 100%;
  margin-top: 1rem;
}

.confirmation-card {
  width: min(100%, 38rem);
  margin-top: 2rem;
}

.confirmation-card h2 {
  font-size: 1.75rem;
}

.confirmation-card .btn-secondary {
  margin-top: 0.5rem;
}

.confirmation-mark {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1rem;
  place-items: center;
  border-radius: 999px;
  color: #ffffff;
  background: var(--success);
  font-size: 1.4rem;
  font-weight: 900;
}

@media (max-width: 720px) {
  nav {
    padding: 0 1rem;
  }

  .nav-inner {
    min-height: 4.5rem;
  }

  #nav-logo {
    max-width: 8rem;
    line-height: 1.15;
  }

  .nav-right {
    gap: 0.55rem;
  }

  main {
    padding: 2rem 1rem 3rem;
  }

  .login-card,
  .checkout-summary,
  .checkout-form,
  .confirmation-card {
    padding: 1.35rem;
  }

  .page-heading {
    align-items: start;
    flex-direction: column;
    gap: 0.4rem;
  }

  .page-heading .text-muted {
    text-align: left;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .checkout-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}
/* Case study: editorial release-control room */
:root {
  --case-ink: #12243f;
  --case-ink-soft: #3f5169;
  --case-paper: #f7f1e5;
  --case-paper-deep: #eee4d2;
  --case-panel: rgba(255, 252, 245, 0.88);
  --case-line: rgba(18, 36, 63, 0.2);
  --case-blue: #1759b0;
  --case-blue-deep: #0b376f;
  --case-amber: #d98b00;
  --case-amber-pale: #fff0c7;
  --case-teal: #066662;
  --case-focus: #7a3e00;
  --case-focus-on-dark: #fff0c7;
  --case-muted: #6c7480;
  --case-shadow: 0 1.25rem 3rem rgba(18, 36, 63, 0.12);
  --case-radius: 0.75rem;
  --case-space: clamp(1rem, 2.5vw, 2rem);
  --case-display: Georgia, "Times New Roman", serif;
  --case-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --case-transition: 160ms ease;
}

body.case-study {
  min-width: 0;
  margin: 0;
  color: var(--case-ink);
  font-family: var(--case-body);
  line-height: 1.6;
  background-color: var(--case-paper);
  background-image:
    radial-gradient(circle at 83% 8%, rgba(8, 124, 120, 0.13), transparent 24rem),
    radial-gradient(circle at 8% 32%, rgba(217, 139, 0, 0.12), transparent 20rem),
    linear-gradient(rgba(18, 36, 63, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 36, 63, 0.045) 1px, transparent 1px);
  background-size: auto, auto, 2rem 2rem, 2rem 2rem;
}

.case-study *,
.case-study *::before,
.case-study *::after {
  box-sizing: border-box;
}

.case-study :where(a, code, pre) {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.case-header {
  border-bottom: 1px solid var(--case-line);
  background: var(--case-paper);
  backdrop-filter: blur(0.75rem);
}

.case-nav {
  width: min(100%, 76rem);
  min-height: 4.5rem;
  margin-inline: auto;
  padding: 0.75rem var(--case-space);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--case-ink);
  background: transparent;
  box-shadow: none;
}

.case-nav a,
.case-cta a,
.case-footer a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--case-blue-deep);
  font-weight: 750;
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.22em;
  transition: color var(--case-transition), background-color var(--case-transition), transform var(--case-transition);
}

.case-nav a:hover,
.case-footer a:hover {
  color: var(--case-teal);
}

.case-study :where(a, button, input, textarea, select):focus-visible {
  outline: 3px solid var(--case-focus);
  outline-offset: 4px;
}

.case-brand {
  color: var(--case-ink);
  font-family: var(--case-display);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.case-main {
  width: min(100%, 76rem);
  margin-inline: auto;
  padding: clamp(2rem, 6vw, 5rem) var(--case-space);
}

.case-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.75fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: end;
  padding-block: clamp(1rem, 3vw, 3rem) clamp(2.5rem, 7vw, 6rem);
}

.case-hero > .case-kicker,
.case-hero > h1,
.case-hero > .offer-name {
  grid-column: 1;
}

.case-hero > .case-summary {
  grid-column: 2;
  grid-row: 1 / span 3;
}

.case-hero > .proof-strip {
  grid-column: 1 / -1;
}

.case-kicker,
.section-kicker {
  margin: 0 0 0.75rem;
  color: var(--case-teal);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  line-height: 1.3;
  text-transform: uppercase;
}

.case-hero h1 {
  max-width: 15ch;
  margin: 0;
  font-family: var(--case-display);
  font-size: clamp(3rem, 8vw, 6.8rem);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 0.94;
  text-wrap: balance;
}

.offer-name {
  width: fit-content;
  max-width: 100%;
  margin: 0;
  padding: 0.35rem 0.65rem;
  border-left: 0.22rem solid var(--case-teal);
  color: var(--case-blue-deep);
  background: rgba(8, 124, 120, 0.09);
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  line-height: 1.35;
  text-transform: uppercase;
}

.case-summary {
  margin: 0;
  padding: 1.25rem 0 1.25rem 1.5rem;
  border-left: 0.32rem solid var(--case-amber);
  color: var(--case-ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0 0 clamp(3rem, 7vw, 6rem);
  border-block: 1px solid var(--case-line);
  background: var(--case-ink);
  color: var(--case-paper);
  box-shadow: var(--case-shadow);
}

.proof-strip > * {
  min-width: 0;
  margin: 0;
  padding: 1.25rem var(--case-space);
}

.proof-strip > * + * {
  border-left: 1px solid rgba(247, 241, 229, 0.24);
}

.case-section {
  padding-block: clamp(2.5rem, 7vw, 5.5rem);
  border-top: 1px solid var(--case-line);
}

.case-section :where(h2, h3),
.case-cta :where(h2, h3) {
  font-family: var(--case-display);
  letter-spacing: -0.035em;
  line-height: 1.05;
  text-wrap: balance;
}

.case-section h2,
.case-cta h2 {
  max-width: 18ch;
  margin: 0 0 1.5rem;
  font-size: clamp(2rem, 5vw, 4rem);
}

.risk-grid,
.deliverable-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: 1rem;
  margin: 0;
}

.risk-grid,
.architecture-flow,
.delivery-flow {
  padding: 0;
  list-style: none;
}

.risk-card,
.deliverable-grid > * {
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--case-line);
  border-top: 0.28rem solid var(--case-amber);
  border-radius: var(--case-radius);
  background: var(--case-panel);
  box-shadow: 0 0.45rem 1.3rem rgba(18, 36, 63, 0.07);
  transition: border-color var(--case-transition), transform var(--case-transition), box-shadow var(--case-transition);
}

.risk-card:nth-child(even),
.deliverable-grid > :nth-child(even) {
  border-top-color: var(--case-teal);
}

.risk-card:hover,
.deliverable-grid > *:hover {
  border-color: rgba(18, 36, 63, 0.42);
  box-shadow: var(--case-shadow);
  transform: translateY(-0.18rem);
}

.architecture-flow,
.delivery-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
  gap: 1rem;
  counter-reset: case-step;
}

.architecture-flow > *,
.delivery-flow > * {
  position: relative;
  min-width: 0;
  margin: 0;
  padding: 3.4rem 1.25rem 1.35rem;
  border: 1px solid var(--case-line);
  background: var(--case-panel);
  counter-increment: case-step;
}

.architecture-flow > *::before,
.delivery-flow > *::before {
  content: counter(case-step, decimal-leading-zero);
  position: absolute;
  inset: 0.9rem auto auto 1.2rem;
  color: var(--case-blue);
  font-family: var(--case-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.architecture-flow strong,
.architecture-flow span,
.delivery-flow strong,
.delivery-flow span {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
}

.architecture-flow span,
.delivery-flow span {
  margin-top: 0.35rem;
}

.evidence-panel,
.limitations-panel {
  min-width: 0;
  padding: clamp(1.5rem, 4vw, 3rem);
  border-radius: var(--case-radius);
}

.evidence-panel {
  border: 1px solid rgba(8, 124, 120, 0.45);
  background: linear-gradient(135deg, rgba(8, 124, 120, 0.12), var(--case-panel));
}

.limitations-panel {
  border: 1px solid rgba(217, 139, 0, 0.55);
  background: linear-gradient(135deg, var(--case-amber-pale), var(--case-panel));
}

.state-publication-inputs-missing .case-cta {
  color: var(--case-muted);
  border: 2px dashed rgba(108, 116, 128, 0.62);
  background: rgba(238, 228, 210, 0.55);
  box-shadow: none;
}

.state-publication-inputs-missing .case-cta a {
  color: var(--case-muted);
  background: rgba(108, 116, 128, 0.12);
  text-decoration: underline;
}

.case-cta {
  margin-block: clamp(3rem, 8vw, 7rem);
  padding: clamp(2rem, 6vw, 5rem);
  border-radius: var(--case-radius);
  color: var(--case-paper);
  background: linear-gradient(125deg, var(--case-blue-deep), var(--case-ink));
  box-shadow: var(--case-shadow);
}

.case-cta a {
  margin-top: 1rem;
  padding: 0.7rem 1.15rem;
  border-radius: 0.25rem;
  color: var(--case-ink);
  background: var(--case-amber-pale);
  text-decoration: none;
}

.case-cta a:hover {
  background: var(--case-amber);
  transform: translateY(-0.12rem);
}

.case-cta a:focus-visible {
  outline-color: var(--case-focus-on-dark);
}

.case-footer {
  width: min(100%, 76rem);
  margin-inline: auto;
  padding: 2rem var(--case-space) 3rem;
  border-top: 1px solid var(--case-line);
  color: var(--case-ink-soft);
}

@media (max-width: 56.25rem) {
  .case-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }

  .case-hero > .case-kicker,
  .case-hero > h1,
  .case-hero > .offer-name,
  .case-hero > .case-summary,
  .case-hero > .proof-strip {
    grid-column: 1;
    grid-row: auto;
  }

  .case-summary {
    max-width: 42rem;
  }

  .proof-strip {
    grid-template-columns: minmax(0, 1fr);
  }

  .proof-strip > * + * {
    border-top: 1px solid rgba(247, 241, 229, 0.24);
    border-left: 0;
  }
}

@media (max-width: 45rem) {
  .case-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .case-hero h1 {
    font-size: clamp(2.55rem, 14vw, 4.5rem);
  }

  .risk-grid,
  .deliverable-grid,
  .architecture-flow,
  .delivery-flow {
    grid-template-columns: minmax(0, 1fr);
  }

  .case-cta {
    margin-inline: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .case-study *,
  .case-study *::before,
  .case-study *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}