/**
 * @file
 * Investor-ready styling for the "Case Studies" content type.
 *
 * Scoped entirely under .cs-node / .node--type-case-studies (added by
 * node--case-studies--full.html.twig) so nothing here can leak onto
 * other content types. Brand color (#0c426f) matches the existing
 * navy already used for image borders in styles.css; the gold accent
 * is drawn from the HES logo's warm tones for a "premium / investor"
 * feel on financial callouts and the Investor-Only ribbon.
 */

.node--type-case-studies.cs-node {
  --cs-navy: #0c426f;
  --cs-navy-dark: #082d4d;
  --cs-navy-tint: #eef3f7;
  --cs-gold: #b8860b;
  --cs-gold-dark: #8f6608;
  --cs-ink: #1c2b36;
  --cs-muted: #5b6b76;
  --cs-border: rgba(12, 66, 111, 0.14);
  --cs-success: #1e8a5f;
  --cs-bg: #f7f9fb;
  --cs-radius: 12px;
  --cs-shadow: 0 2px 14px rgba(12, 66, 111, 0.08);

  color: var(--cs-ink);
  font-size: 1.05rem;
  line-height: 1.65;
}

/* ---------------------------------------------------------------- *
 * Hero banner
 * ---------------------------------------------------------------- */

.cs-node .cs-hero {
  position: relative;
  overflow: hidden;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
  background: linear-gradient(135deg, var(--cs-navy) 0%, var(--cs-navy-dark) 100%);
  border-radius: var(--cs-radius);
  margin-bottom: 2.5rem;
  isolation: isolate;
}

.cs-node .cs-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cs-node .cs-hero__media,
.cs-node .cs-hero__media .field--name-field-featured-image,
.cs-node .cs-hero__media .field__item {
  height: 100%;
}

.cs-node .cs-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cs-node .cs-hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to top,
    rgba(8, 20, 30, 0.92) 0%,
    rgba(8, 20, 30, 0.55) 45%,
    rgba(8, 20, 30, 0.15) 100%
  );
}

.cs-node .cs-hero__content {
  position: relative;
  z-index: 2;
  padding: 2.5rem 2.5rem 2.25rem;
  color: #fff;
  width: 100%;
}

.cs-node .cs-hero__title {
  margin: 0.6rem 0 0.5rem;
  font-size: clamp(1.75rem, 3.4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

.cs-node .cs-hero__subtitle {
  font-size: 1.15rem;
  color: #e7edf2;
  max-width: 60ch;
  margin-bottom: 0.75rem;
}

.cs-node .cs-hero__audience {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  backdrop-filter: blur(2px);
}

.cs-node .cs-hero__audience-icon {
  font-size: 1rem;
}

/* Case-study-type pill, shown in the hero */
.cs-node .cs-pill {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
}

.cs-node .cs-pill--published {
  background: rgba(30, 138, 95, 0.9);
  border-color: rgba(30, 138, 95, 0.9);
}

.cs-node .cs-pill--investor-only {
  background: rgba(184, 134, 11, 0.92);
  border-color: rgba(184, 134, 11, 0.92);
}

.cs-node .cs-pill--prospect-ready {
  background: rgba(12, 66, 111, 0.85);
}

.cs-node .cs-pill--template {
  background: rgba(91, 107, 118, 0.85);
}

/* Investor-only ribbon, pinned to the hero corner */
.cs-node .cs-ribbon {
  position: absolute;
  top: 18px;
  right: -46px;
  z-index: 3;
  transform: rotate(40deg);
  background: linear-gradient(135deg, var(--cs-gold) 0%, var(--cs-gold-dark) 100%);
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  padding: 0.45rem 3.25rem;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.25);
}

/* ---------------------------------------------------------------- *
 * Section scaffolding
 * ---------------------------------------------------------------- */

.cs-node .cs-body {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1rem;
}

.cs-node .cs-section {
  margin-bottom: 3rem;
}

.cs-node .cs-section__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cs-navy);
  margin: 0 0 1.1rem;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--cs-navy);
  display: inline-block;
}

.cs-node .cs-prose {
  font-size: 1.05rem;
  color: var(--cs-ink);
}

.cs-node .cs-card {
  background: #fff;
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  box-shadow: var(--cs-shadow);
  padding: 1.75rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.cs-node .cs-card:hover {
  box-shadow: 0 8px 28px rgba(12, 66, 111, 0.14);
  transform: translateY(-2px);
}

.cs-node .cs-card ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.cs-node .cs-card li {
  position: relative;
  margin-bottom: 0.6rem;
  padding-left: 1.6rem;
}

.cs-node .cs-card li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--cs-success);
  font-weight: 700;
}

/* The Steps paragraph's own intro line ("How the Process Works") --
 * printed as a raw <h2> inside the card since it's a plain text field,
 * not a section title we control; restyle it to read as a sub-heading
 * rather than competing with cs-section__title above the card. */
.cs-node .cs-card .field--name-field-case-step-title h2 {
  margin: 0 0 1.25rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cs-navy);
}

.cs-node .cs-card .field--name-field-case-study-images {
  margin-bottom: 1.5rem;
}

.cs-node .cs-card .field--name-field-case-study-images img {
  border-radius: 8px;
  box-shadow: var(--cs-shadow);
  border: 1px solid var(--cs-border);
}

/* Each step/benefit is its own field__item (h3 + list, or h3 + CTA) --
 * space and divide them so four back-to-back <h3> blocks read as
 * distinct steps instead of one long run-on block.
 *
 * field_case_study_steps and field_case_study_benefits are the
 * paragraph's own text_long sub-fields, but they share their machine
 * name with the outer entity_reference_revisions field that embeds
 * the whole paragraph (both print a `field--name-field-case-study-*`
 * class) -- .field--type-text-long disambiguates so these rules only
 * ever match the inner text field, not the single-item outer wrapper. */
.cs-node .cs-card .field--name-field-case-study-steps.field--type-text-long,
.cs-node .cs-card .field--name-field-case-study-benefits.field--type-text-long {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.cs-node .cs-card .field--name-field-case-study-steps.field--type-text-long > .field__item,
.cs-node .cs-card .field--name-field-case-study-benefits.field--type-text-long > .field__item {
  padding-top: 1.5rem;
  border-top: 1px solid var(--cs-border);
}

.cs-node .cs-card .field--name-field-case-study-steps.field--type-text-long > .field__item:first-child,
.cs-node .cs-card .field--name-field-case-study-benefits.field--type-text-long > .field__item:first-child {
  padding-top: 0;
  border-top: none;
}

.cs-node .cs-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cs-ink);
}

/* A CTA link can appear inline inside a step/benefit paragraph (e.g.
 * "Get in touch ->") -- style it like the download button so it reads
 * as an intentional call to action, not a stray blue link. */
.cs-node .cs-card p a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
  background: var(--cs-navy);
  color: #fff !important;
  font-weight: 700;
  text-decoration: none;
  padding: 0.6rem 1.25rem;
  border-radius: 999px;
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.cs-node .cs-card p a:hover,
.cs-node .cs-card p a:focus {
  background: var(--cs-navy-dark);
  transform: translateY(-1px);
}

/* ---------------------------------------------------------------- *
 * Financial-impact callout
 * ---------------------------------------------------------------- */

.cs-node .cs-callout {
  background: linear-gradient(135deg, var(--cs-navy) 0%, var(--cs-navy-dark) 100%);
  border-radius: var(--cs-radius);
  padding: 2.25rem 2rem;
  text-align: center;
  color: #fff;
  box-shadow: var(--cs-shadow);
}

.cs-node .cs-callout__label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #cfe0ee;
  margin-bottom: 0.5rem;
}

.cs-node .cs-callout__value .field__label {
  display: none;
}

.cs-node .cs-callout__value .field__item {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--cs-gold);
  line-height: 1;
}

.cs-node .cs-callout__value .field__item::before {
  content: '$';
  font-size: 0.6em;
  vertical-align: 0.15em;
  margin-right: 0.1em;
}

/* ---------------------------------------------------------------- *
 * ROI metric cards
 * ---------------------------------------------------------------- */

.cs-node .cs-roi-grid .field__items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.5rem;
}

.cs-node .cs-roi-grid .paragraph--type--case-study-roi-metric {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas:
    'name    name'
    'before  after'
    'benefit benefit'
    'impact  impact';
  gap: 0.35rem 0.75rem;
  background: #fff;
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  box-shadow: var(--cs-shadow);
  padding: 1.5rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.cs-node .cs-roi-grid .paragraph--type--case-study-roi-metric:hover {
  box-shadow: 0 8px 28px rgba(12, 66, 111, 0.14);
  transform: translateY(-2px);
}

.cs-node .cs-roi-grid .field--name-field-metric-name {
  grid-area: name;
}

.cs-node .cs-roi-grid .field--name-field-metric-name .field__label {
  display: none;
}

.cs-node .cs-roi-grid .field--name-field-metric-name .field__item {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cs-navy);
  border-bottom: 1px solid var(--cs-border);
  padding-bottom: 0.6rem;
}

.cs-node .cs-roi-grid .field--name-field-before-value,
.cs-node .cs-roi-grid .field--name-field-after-value {
  background: var(--cs-bg);
  border-radius: 8px;
  padding: 0.6rem 0.5rem;
  text-align: center;
}

.cs-node .cs-roi-grid .field--name-field-before-value {
  grid-area: before;
  position: relative;
}

.cs-node .cs-roi-grid .field--name-field-after-value {
  grid-area: after;
  background: rgba(30, 138, 95, 0.1);
}

.cs-node .cs-roi-grid .field--name-field-before-value::after {
  content: '\2192';
  position: absolute;
  right: -1.05rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--cs-muted);
  font-weight: 700;
  font-size: 1.1rem;
}

.cs-node .cs-roi-grid .field--name-field-before-value .field__label,
.cs-node .cs-roi-grid .field--name-field-after-value .field__label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cs-muted);
  margin-bottom: 0.2rem;
}

.cs-node .cs-roi-grid .field--name-field-after-value .field__label {
  color: var(--cs-success);
}

.cs-node .cs-roi-grid .field--name-field-before-value .field__item,
.cs-node .cs-roi-grid .field--name-field-after-value .field__item {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cs-ink);
}

.cs-node .cs-roi-grid .field--name-field-after-value .field__item {
  color: var(--cs-success);
}

.cs-node .cs-roi-grid .field--name-field-benefit-description {
  grid-area: benefit;
  color: var(--cs-muted);
  font-size: 0.95rem;
}

.cs-node .cs-roi-grid .field--name-field-benefit-description .field__label {
  display: none;
}

.cs-node .cs-roi-grid .field--name-field-financial-impact-annual {
  grid-area: impact;
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--cs-border);
}

.cs-node .cs-roi-grid .field--name-field-financial-impact-annual .field__label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cs-muted);
}

.cs-node .cs-roi-grid .field--name-field-financial-impact-annual .field__item {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cs-gold-dark);
}

/* ---------------------------------------------------------------- *
 * Implementation timeline
 * ---------------------------------------------------------------- */

.cs-node .cs-timeline .field--name-field-implementation-timeline > .field__items {
  position: relative;
  padding-left: 2.25rem;
}

.cs-node .cs-timeline .field--name-field-implementation-timeline > .field__items::before {
  content: '';
  position: absolute;
  left: 0.55rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 3px;
  background: var(--cs-navy-tint);
  border-radius: 3px;
}

.cs-node .cs-timeline .field__item {
  position: relative;
  margin-bottom: 1.75rem;
}

.cs-node .cs-timeline .field__item:last-child {
  margin-bottom: 0;
}

.cs-node .cs-timeline .field__item::before {
  counter-increment: cs-phase;
  content: counter(cs-phase);
  position: absolute;
  left: -2.25rem;
  top: 0.1rem;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--cs-navy);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 4px #fff;
}

.cs-node .cs-timeline .field--name-field-implementation-timeline > .field__items {
  counter-reset: cs-phase;
}

.cs-node .cs-timeline .paragraph--type--case-study-timeline {
  background: #fff;
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  box-shadow: var(--cs-shadow);
  padding: 1.25rem 1.5rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.cs-node .cs-timeline .paragraph--type--case-study-timeline:hover {
  box-shadow: 0 8px 28px rgba(12, 66, 111, 0.14);
  transform: translateY(-2px);
}

.cs-node .cs-timeline .field--name-field-phase-name {
  display: inline-block;
  margin-right: 0.75rem;
}

.cs-node .cs-timeline .field--name-field-phase-name .field__label {
  display: none;
}

.cs-node .cs-timeline .field--name-field-phase-name .field__item {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cs-navy);
}

.cs-node .cs-timeline .field--name-field-duration {
  display: inline-block;
}

.cs-node .cs-timeline .field--name-field-duration .field__label {
  display: none;
}

.cs-node .cs-timeline .field--name-field-duration .field__item {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--cs-navy);
  background: var(--cs-navy-tint);
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
}

.cs-node .cs-timeline .field--name-field-description {
  margin-top: 0.6rem;
  color: var(--cs-ink);
}

.cs-node .cs-timeline .field--name-field-description .field__label {
  display: none;
}

.cs-node .cs-timeline .field--name-field-deliverables {
  margin-top: 0.75rem;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--cs-border);
}

.cs-node .cs-timeline .field--name-field-deliverables .field__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cs-muted);
  display: block;
  margin-bottom: 0.25rem;
}

.cs-node .cs-timeline .field--name-field-deliverables .field__item {
  color: var(--cs-muted);
  font-size: 0.95rem;
}

/* ---------------------------------------------------------------- *
 * PDF download CTA
 * ---------------------------------------------------------------- */

.cs-node .cs-download .field--name-field-case-study-pdf-download .field__label {
  display: none;
}

.cs-node .cs-download a {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--cs-navy);
  color: #fff !important;
  font-weight: 700;
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  box-shadow: var(--cs-shadow);
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.cs-node .cs-download a::before {
  content: '\2B07';
  font-size: 1rem;
}

.cs-node .cs-download a:hover,
.cs-node .cs-download a:focus {
  background: var(--cs-navy-dark);
  transform: translateY(-1px);
}

/* ---------------------------------------------------------------- *
 * Responsive breakpoints
 * ---------------------------------------------------------------- */

@media (max-width: 768px) {
  .cs-node .cs-hero {
    min-height: 260px;
  }

  .cs-node .cs-hero__content {
    padding: 1.75rem 1.5rem;
  }

  .cs-node .cs-body {
    padding: 0 0.75rem;
  }

  .cs-node .cs-roi-grid .paragraph--type--case-study-roi-metric {
    grid-template-columns: 1fr;
    grid-template-areas:
      'name'
      'before'
      'after'
      'benefit'
      'impact';
  }

  .cs-node .cs-roi-grid .field--name-field-before-value::after {
    content: '\2193';
    right: 50%;
    top: auto;
    bottom: -1.1rem;
    transform: translateX(50%);
  }
}

@media (max-width: 480px) {
  .cs-node .cs-hero__title {
    font-size: 1.6rem;
  }

  .cs-node .cs-section__title {
    font-size: 1.25rem;
  }

  .cs-node .cs-callout {
    padding: 1.75rem 1.25rem;
  }

  .cs-node .cs-ribbon {
    right: -52px;
    padding: 0.4rem 3rem;
  }
}