/* case-study.css - Shared Master Case Study Shell System for Neeladri Portfolio V2 */

/* --- BACK NAVIGATION BAR --- */
.nav-back-bar {
  padding-top: var(--space-6);
  padding-bottom: var(--space-4);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  text-decoration: none;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.back-link:hover {
  color: var(--blue);
  transform: translateX(-4px);
}

.back-arrow {
  font-size: 16px;
  line-height: 1;
}

/* --- FLAGSHIP ASYMMETRIC HERO ENGINE (QUICKHIRE PROTOTYPE) --- */
.qh-hero-grid {
  display: grid;
  grid-template-columns: 44% 52%;
  gap: 4%;
  align-items: center;
  padding-top: var(--space-4);
  padding-bottom: var(--space-8);
  margin-bottom: var(--space-6);
}

.case-category-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: 8px;
}

.case-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
}

.qh-hero-statement {
  font-family: var(--font-sans);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--blue);
  margin-bottom: var(--space-4);
}

.qh-hero-lead {
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-bottom: var(--space-6);
}

.qh-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: var(--space-4);
  border-top: 1px solid var(--line-strong);
}

.qh-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.qh-meta-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.qh-meta-val {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
}

/* HERO VISUAL COMPOSITION IN FIRST VIEWPORT */
.qh-hero-composition {
  position: relative;
  width: 100%;
  min-height: 380px;
  background-color: var(--paper-light);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--line);
  padding: 20px;
  overflow: hidden;
}

.qh-comp-frame {
  position: absolute;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
  background-color: #fff;
}

.qh-comp-cms {
  width: 78%;
  top: 15px;
  left: 15px;
  z-index: 1;
}

.qh-comp-cms img {
  width: 100%;
  height: auto;
  display: block;
}

.qh-comp-mobile {
  width: 36%;
  bottom: 20px;
  right: 20px;
  z-index: 2;
  box-shadow: var(--shadow-photo);
  border: 2px solid var(--paper-white);
}

.qh-comp-mobile img {
  width: 100%;
  height: auto;
  display: block;
}

.qh-comp-tag {
  position: absolute;
  bottom: 6px;
  left: 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--paper-white);
  background-color: rgba(0, 0, 0, 0.75);
  padding: 2px 6px;
  border-radius: 3px;
}

.qh-comp-annotation {
  position: absolute;
  top: 15px;
  right: 20px;
  z-index: 3;
}

.brush-accent {
  font-family: "BiswasBrush", cursive, sans-serif;
  font-size: 16px;
  color: var(--blue);

}

/* --- COMPACT PROJECT AT A GLANCE BAND --- */
.qh-glance-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  background-color: var(--paper-white);
  border: 1px solid var(--line);
  border-radius: var(--border-radius-sm);
  padding: var(--space-6);
  margin-bottom: var(--space-10);
  box-shadow: var(--shadow-sm);
  align-items: stretch;
  height: auto;
  overflow: visible;
}

.qh-glance-item {
  display: flex;
  flex-direction: column;
  padding-right: var(--space-4);
  border-right: 1px solid var(--line);
  height: 100%;
}

.qh-glance-item:last-child {
  border-right: none;
  padding-right: 0;
}

.qh-glance-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.08em;
}

.qh-glance-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  margin-top: 4px;
  margin-bottom: 8px;
  white-space: nowrap;
}

.qh-glance-text {
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0;
  flex-grow: 1;
}

/* --- CASE STUDY BODY LAYOUT WITH STICKY RAIL --- */
.case-body-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-8);
  align-items: start;
}

.case-rail {
  position: sticky;
  top: 100px;
}

.case-rail-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-left: 2px solid var(--line);
  padding-left: 16px;
}

.rail-link {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--transition-fast), font-weight var(--transition-fast);
}

.rail-link:hover,
.rail-link.active {
  color: var(--blue);
  font-weight: 700;
}

/* ARTICLE CONTENT */
.case-article {
  min-width: 0;
}

.article-section {
  padding-bottom: var(--space-10);
  margin-bottom: var(--space-10);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 110px;
}

.article-section:last-of-type {
  border-bottom: none;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: var(--space-2);
  display: block;
}

.section-title {
  font-family: var(--font-sans);
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: var(--space-6);
  max-width: 820px;
}

/* STAT CALLOUT BOX */
.qh-callout-stat {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  background-color: rgba(0, 85, 255, 0.04);
  border: 1px solid rgba(0, 85, 255, 0.2);
  border-radius: var(--border-radius-xs);
  padding: var(--space-6);
  margin-top: var(--space-6);
}

.qh-stat-box {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.qh-stat-num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
}

.qh-stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-top: 4px;
}

.qh-stat-desc {
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0;
}

.qh-learning-quote {
  margin-top: var(--space-4);
  padding-left: var(--space-4);
  border-left: 2px solid var(--blue);
}

/* BEFORE vs AFTER ROLE COMPARISON MATRIX */
.qh-role-matrix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.qh-role-card {
  background-color: var(--paper-white);
  border: 1px solid var(--line);
  border-radius: var(--border-radius-xs);
  padding: var(--space-6);
}

.qh-role-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--blue);
  display: block;
  margin-bottom: var(--space-2);
}

.qh-role-card h3 {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: var(--space-4);
}

.qh-role-card ul {
  padding-left: 18px;
  margin: 0;
}

.qh-role-card li {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

/* DECISION CARDS (DISTINCT CALLOUT VARIATIONS - Part N & O) */
.qh-decision-card {
  background-color: var(--paper-white);
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--blue);
  border-radius: var(--border-radius-xs);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.qh-dec-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--space-3);
}

.qh-dec-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  color: #fff;
  background-color: var(--blue);
  padding: 3px 8px;
  border-radius: 3px;
  letter-spacing: 0.05em;
}

.qh-dec-cat {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}

.qh-dec-title {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: var(--space-4);
}

.qh-dec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px dashed var(--line);
}

.qh-dec-col .qh-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
  display: block;
  margin-bottom: 4px;
}

.qh-dec-col p {
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
}

/* CENTRAL QUICKHIRE SYSTEM DIAGRAM BOX (Part P) */
.qh-system-diagram-box {
  background-color: var(--paper-white);
  border: 1px solid var(--line);
  border-radius: var(--border-radius-sm);
  padding: var(--space-6);
  margin-top: var(--space-6);
  margin-bottom: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.qh-diagram-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
  display: block;
  margin-bottom: var(--space-4);
  text-align: center;
}

.qh-diagram-visual {
  width: 100%;
  margin-bottom: var(--space-3);
}

.qh-diagram-caption {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--muted);
  text-align: center;
  display: block;
}

/* LEARNINGS GRID */
.qh-learnings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.qh-learning-card {
  background-color: var(--paper-white);
  border: 1px solid var(--line);
  border-radius: var(--border-radius-xs);
  padding: var(--space-6);
}

.qh-learn-num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 800;
  color: var(--blue);
  display: block;
  margin-bottom: 6px;
}

.qh-learning-card h4 {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.35;
}

.qh-learning-card p {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
}

/* NEXT PROJECT CAROUSEL CARD */
.next-project-card {
  margin-top: var(--space-12);
}

.next-project-link {
  display: block;
  background-color: var(--paper-white);
  border: 1px solid var(--line-strong);
  border-radius: var(--border-radius-sm);
  padding: var(--space-8);
  text-decoration: none;
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.next-project-link:hover {
  border-color: var(--blue);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.next-project-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--space-2);
}

.next-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.next-category {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
}

.next-project-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 900;
  color: var(--ink);
  margin-bottom: var(--space-2);
}

.next-project-desc {
  font-family: var(--font-sans);
  font-size: 14.5px;
  color: var(--ink-soft);
  margin: 0;
}

/* ABOUT PAGE FULL-WIDTH CONTACT CALLOUT */
.about-contact-banner {
  margin-top: 56px;
  margin-bottom: 32px;
  background-color: var(--surface-card, #ffffff);
  border: 1px solid rgba(17, 17, 17, 0.1);
  border-radius: var(--border-radius-md, 16px);
  padding: 40px 48px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.about-contact-banner:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.07);
  border-color: rgba(17, 17, 17, 0.2);
}

.about-contact-info {
  max-width: 660px;
}

.about-contact-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.about-contact-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue, #0055ff);
}

.about-contact-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--muted, #666);
  letter-spacing: 0.06em;
}

.about-contact-title {
  font-family: var(--font-sans);
  font-size: clamp(24px, 2.5vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink, #111111);
  margin: 0 0 10px 0;
  line-height: 1.2;
}

.about-contact-desc {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-soft, #444444);
  margin: 0;
}

.about-contact-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.btn-secondary-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #ffffff;
  color: var(--ink, #111111);
  padding: 11px 22px;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid rgba(17, 17, 17, 0.2);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.btn-secondary-pill:hover {
  background-color: #f7f7f8;
  border-color: var(--ink, #111111);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

@media (max-width: 900px) {
  .about-contact-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
    gap: 24px;
  }
  .about-contact-actions {
    width: 100%;
  }
}

/* GLOBAL FOOTER */
.site-footer {
  padding-top: var(--space-12);
  padding-bottom: var(--space-10);
  border-top: 1px solid var(--line);
  margin-top: var(--space-16);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.footer-copy {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

.footer-right {
  display: flex;
  gap: var(--space-6);
}

.footer-link {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--blue);
}

/* RESPONSIVE OVERRIDES FOR QUICKHIRE PROTOTYPE */
@media (max-width: 1024px) {
  .qh-hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .qh-hero-composition {
    min-height: 320px;
  }
  .case-body-layout {
    grid-template-columns: 1fr;
  }
  .case-rail {
    display: none;
  }
}

@media (max-width: 768px) {
  .qh-glance-band {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
  .qh-glance-item {
    border-right: none;
    padding-right: 0;
  }
  .qh-meta-grid {
    grid-template-columns: 1fr;
  }
  .qh-role-matrix,
  .qh-dec-grid,
  .qh-learnings-grid {
    grid-template-columns: 1fr;
  }
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* --- ABOUT PAGE SPECIFIC HERO & COLLAGE --- */
.about-hero-grid {
  display: grid;
  grid-template-columns: 50% 46%;
  gap: 4%;
  align-items: center;
  padding-top: var(--space-4);
  padding-bottom: var(--space-8);
  margin-bottom: var(--space-6);
}

.about-hero-title,
.internal-page.page-about .about-hero-title {
  font-family: "Archivo Black", var(--font-sans);
  font-size: clamp(24px, 2.15vw, 32px);
  font-weight: 400;
  line-height: 1.16;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-top: 8px;
  margin-bottom: 22px;
  text-transform: uppercase;
}

.about-hero-story {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: var(--space-6);
}

.about-story-p {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.62;
  color: var(--ink-soft);
  margin: 0;
}

.about-story-p.highlight-p {
  color: var(--ink);
  font-size: 15.5px;
  font-weight: 500;
}

.about-story-p strong {
  color: var(--ink);
  font-weight: 700;
}

.about-hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

.about-photo-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.about-photo-card {
  position: relative;
  background-color: #ffffff;
  padding: 12px 12px 28px 12px;
  border-radius: 4px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.16), 0 2px 6px rgba(0, 0, 0, 0.08);
  transform: rotate(-2deg);
  transition: transform var(--transition-normal);
  max-width: 360px;
  width: 100%;
}

.about-photo-card:hover {
  transform: rotate(0deg) scale(1.02);
}

.about-card-crown {
  position: absolute;
  top: -28px;
  right: -10px;
  width: 62px;
  height: auto;
  z-index: 12;
  pointer-events: none;
}

.about-photo-img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: block;
  border-radius: 2px;
}

.about-photo-caption {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 12px;
  text-align: center;
}

.about-tape-blue {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%) rotate(-3deg);
  width: 90px;
  height: auto;
  z-index: 10;
  pointer-events: none;
}

.about-annotation-badge {
  position: absolute;
  bottom: -15px;
  left: -20px;
  background-color: var(--paper-white);
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: var(--border-radius-xs);
  box-shadow: var(--shadow-sm);
  z-index: 10;
  transform: rotate(3deg);
}

.about-annotation-badge p {
  font-family: "BiswasBrush", cursive, sans-serif;
  font-size: 15px;
  color: var(--blue);
  margin: 0;
  line-height: 1.2;
}

@media (max-width: 1024px) {
  .about-hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

@media (max-width: 768px) {
  .about-photo-wrapper {
    padding: 16px 0;
    max-width: 100%;
    overflow: hidden;
  }
  .about-photo-card {
    max-width: 320px;
    transform: rotate(-1deg);
  }
}

@media (max-width: 560px) {
  .internal-page.page-about .about-hero-title {
    font-size: clamp(22px, 6.2vw, 28px);
    line-height: 1.15;
    margin-bottom: 18px;
    letter-spacing: -0.02em;
    overflow-wrap: break-word;
    word-break: normal;
  }
  .about-photo-card {
    max-width: 290px;
    transform: none;
  }
  .about-hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 12px;
  }
  .about-hero-actions .btn-primary,
  .about-hero-actions .btn-secondary-pill {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .qh-glance-title {
    white-space: normal;
  }
}