/* ==========================================================================
   MAIN STYLESHEET — LEE YOON A PORTFOLIO
   Editorial · Minimal · Evidence-Based · Premium
   ========================================================================== */

/* --------------------------------------------------------------------------
   LAYOUT & CONTAINER
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  position: relative;
}

.section--bordered {
  border-top: 1px solid var(--border-color);
}

/* --------------------------------------------------------------------------
   TYPOGRAPHIC ACCENTS & TAGS
   -------------------------------------------------------------------------- */
.font-display {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.mono-label {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}

.section-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--accent);
  margin-right: var(--space-sm);
  display: inline-block;
  font-weight: 600;
}

.section-header {
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-md);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.section-header__sub {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --------------------------------------------------------------------------
   HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(244, 243, 240, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: transform var(--duration-fast) ease;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-header__logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-header__indicator {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-header__indicator-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.site-nav__link {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
  transition: color var(--duration-fast) ease;
}

.site-nav__link:hover,
.site-nav__link.active {
  color: var(--text-primary);
}

.site-nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent);
  transition: width var(--duration-fast) var(--ease-editorial);
}

.site-nav__link:hover::after,
.site-nav__link.active::after {
  width: 100%;
}

.btn-resume {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 8px 16px;
  border: 1px solid var(--border-dark);
  background-color: transparent;
  color: var(--text-primary);
  transition: all var(--duration-fast) ease;
}

.btn-resume:hover {
  background-color: var(--text-primary);
  color: var(--bg-primary);
}

/* --------------------------------------------------------------------------
   01 HERO SECTION — POSITIONING FIRST
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: calc(64px + var(--space-lg));
  padding-bottom: var(--space-xl);
  position: relative;
}

.hero__top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.hero__author-tag {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
}

.hero__author-name {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.hero__author-role {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.hero__positioning-block {
  margin: auto 0;
  padding: var(--space-md) 0;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6.2vw, 5.2rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.hero__headline-accent {
  color: var(--text-primary);
}

.hero__headline-dot {
  color: var(--accent);
}

.hero__statement {
  font-size: clamp(1.5rem, 2.6vw, 2.3rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  max-width: 860px;
  margin-bottom: var(--space-xl);
  word-break: keep-all;
}

.hero__meta-strip {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
  padding: 12px 24px;
  flex-wrap: wrap;
}

.hero__meta-years {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.hero__meta-domains {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

.hero__bottom-grid {
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-lg);
  margin-top: var(--space-xl);
}

.hero__bottom-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.hero__preview-index {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.hero__preview-item {
  border: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
  padding: var(--space-md);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  transition: all var(--duration-fast) var(--ease-editorial);
  text-decoration: none;
}

.hero__preview-item:hover {
  border-color: var(--border-dark);
  background-color: #EAE8E2;
  transform: translateY(-2px);
}

.hero__preview-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--accent);
  font-weight: 600;
}

.hero__preview-tag {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 2px;
}

.hero__preview-thesis {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* --------------------------------------------------------------------------
   02 ABOUT SECTION
   -------------------------------------------------------------------------- */
.about__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-2xl);
  align-items: start;
}

.about__headline {
  font-size: clamp(1.8rem, 2.8vw, 2.6rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  word-break: keep-all;
}

.about__body {
  font-size: var(--text-lead);
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 640px;
  word-break: keep-all;
}

.about__domains-card {
  border: 1px solid var(--border-color);
  padding: var(--space-xl);
  background-color: var(--bg-elevated);
}

.about__domains-title {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-xs);
}

.about__domains-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.about__domain-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 8px;
  transition: color var(--duration-fast) ease;
}

.about__domain-item:hover {
  color: var(--accent);
}

.about__domain-num {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-secondary);
  font-weight: 400;
}

/* --------------------------------------------------------------------------
   03 SELECTED WORKS INDEX (WITH EDITORIAL PREVIEW)
   -------------------------------------------------------------------------- */
.works-showcase {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-2xl);
  align-items: start;
  margin-top: var(--space-lg);
}

.works-index {
  border-top: 1px solid var(--border-color);
}

.works-index__item {
  display: block;
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-lg) var(--space-sm);
  transition: all var(--duration-fast) ease;
  position: relative;
  cursor: pointer;
}

.works-index__item:hover,
.works-index__item.is-active {
  background-color: rgba(236, 234, 229, 0.6);
}

.works-index__link {
  display: grid;
  grid-template-columns: 60px 1fr 30px;
  align-items: baseline;
  gap: var(--space-md);
  text-decoration: none;
}

.works-index__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--accent);
  font-weight: 600;
}

.works-index__name {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.2vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 4px;
  transition: transform var(--duration-fast) var(--ease-editorial);
}

.works-index__item:hover .works-index__name,
.works-index__item.is-active .works-index__name {
  transform: translateX(6px);
}

.works-index__thesis {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  display: block;
}

.works-index__arrow {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--text-tertiary);
  transition: all var(--duration-fast) ease;
  text-align: right;
}

.works-index__item:hover .works-index__arrow,
.works-index__item.is-active .works-index__arrow {
  transform: translateX(6px);
  color: var(--accent);
}

/* Works Preview Container */
.works-preview-container {
  position: sticky;
  top: 96px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
  min-height: 380px;
  padding: var(--space-md);
  position: relative;
}

.works-preview__card {
  display: none;
  flex-direction: column;
  height: 100%;
  animation: previewFadeIn 0.3s var(--ease-editorial) forwards;
}

.works-preview__card.is-active {
  display: flex;
}

@keyframes previewFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.works-preview__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
  margin-bottom: var(--space-md);
}

.works-preview__frame {
  flex-grow: 1;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-lg);
  text-align: center;
  min-height: 220px;
  position: relative;
}

.works-preview__frame::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: 
    linear-gradient(to right, rgba(215, 213, 208, 0.4) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(215, 213, 208, 0.4) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}

.works-preview__frame-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 4px;
  position: relative;
  z-index: 2;
}

.works-preview__frame-subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-secondary);
  position: relative;
  z-index: 2;
}

.works-preview__footer {
  margin-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-tertiary);
  border-top: 1px dashed var(--border-color);
  padding-top: 8px;
}

/* --------------------------------------------------------------------------
   CASE STUDY COMMON STYLES
   -------------------------------------------------------------------------- */
.case-tag {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  display: inline-block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

.case-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.case-subtitle {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  font-weight: 500;
}

.case-message {
  font-size: clamp(1.15rem, 1.5vw, 1.4rem);
  line-height: 1.45;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  word-break: keep-all;
  border-left: 2px solid var(--accent);
  padding-left: var(--space-md);
}

.case-meta-group {
  margin-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-md);
}

.case-meta-item {
  margin-bottom: var(--space-sm);
}

.case-meta-label {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.case-meta-value {
  font-size: var(--text-sm);
  color: var(--text-primary);
  line-height: 1.5;
}

.case-roles-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.case-role-pill {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  padding: 4px 10px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   EDITORIAL PLACEHOLDER COMPONENT (SUBTLE & REFINED)
   -------------------------------------------------------------------------- */
.editorial-placeholder {
  width: 100%;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: border-color var(--duration-fast) ease;
}

.editorial-placeholder:hover {
  border-color: var(--border-dark);
}

.editorial-placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(to right, rgba(215, 213, 208, 0.25) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(215, 213, 208, 0.25) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  opacity: 0.5;
}

.editorial-placeholder__header {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-xs);
  margin-bottom: var(--space-md);
}

.editorial-placeholder__tag {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
}

.editorial-placeholder__dim {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-tertiary);
}

.editorial-placeholder__body {
  position: relative;
  z-index: 2;
  margin: var(--space-xl) 0;
}

.editorial-placeholder__title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.8vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.editorial-placeholder__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 500px;
}

.editorial-placeholder__footer {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px dashed var(--border-color);
  padding-top: var(--space-xs);
}

.editorial-placeholder__status {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.editorial-placeholder__filename {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-tertiary);
}

/* Aspect ratios for placeholders */
.placeholder--hero-view { min-height: 480px; }
.placeholder--16-10     { min-height: 440px; }
.placeholder--16-9      { min-height: 400px; }
.placeholder--4-3       { min-height: 360px; }
.placeholder--doc       { min-height: 460px; }

/* --------------------------------------------------------------------------
   04 CASE 01 — K ART GLORY (HERO CASE / SPLIT STICKY)
   -------------------------------------------------------------------------- */
.case-split {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.case-split__sidebar {
  position: sticky;
  top: 96px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.case-split__sidebar::-webkit-scrollbar {
  display: none;
}

.case-steps-nav {
  margin-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.case-steps-nav__title {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin-bottom: 4px;
  font-weight: 600;
}

.case-steps-nav__item {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-secondary);
  display: flex;
  align-items: baseline;
  gap: 8px;
  letter-spacing: 0.04em;
  line-height: 1.45;
}

.case-steps-nav__num {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.72rem;
}

.case-split__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
}

.case-split__content .bf-subblock,
.case-split__content .dc-subblock {
  margin-top: 0;
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-2xl);
}

.case-split__content .bf-subblock:first-child,
.case-split__content .dc-subblock:first-child {
  border-top: none;
  padding-top: 0;
}

.case-step {
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-md);
}

.case-step__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.case-step__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.case-step__phase {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
}

.case-step__desc {
  font-size: var(--text-body);
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-lg);
  max-width: 720px;
  word-break: keep-all;
}

.case-gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.case-gallery-grid--3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.case-gallery-grid--full {
  grid-template-columns: 1fr;
}

/* --------------------------------------------------------------------------
   EVIDENCE VISUAL DISPLAY (EDITORIAL PHOTO & CAPTION)
   -------------------------------------------------------------------------- */
.evidence-card {
  border: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.evidence-card:last-child {
  margin-bottom: 0;
}

.evidence-card__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  background-color: #ECEAE5;
}

.evidence-caption {
  padding: var(--space-sm) var(--space-md);
  background-color: var(--bg-elevated);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.evidence-caption__left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.evidence-caption__title {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.evidence-caption__sub {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.evidence-link {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 4px 8px;
  border: 1px solid rgba(211, 58, 44, 0.3);
  background-color: rgba(211, 58, 44, 0.04);
  transition: all var(--duration-fast) ease;
}

.evidence-link:hover {
  background-color: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
}

/* Video Preview with Play Indicator Overlay */
.video-preview {
  position: relative;
  display: block;
  overflow: hidden;
  background-color: #0D1113;
  text-decoration: none;
  cursor: pointer;
}

.video-preview img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--duration-normal) var(--ease-editorial), opacity var(--duration-normal) ease;
}

.video-preview:hover img {
  transform: scale(1.015);
  opacity: 0.92;
}

.video-preview__play-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: rgba(13, 17, 19, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  transition: all var(--duration-fast) var(--ease-editorial);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
}

.video-preview:hover .video-preview__play-badge {
  background-color: var(--accent);
  border-color: var(--accent);
  transform: translate(-50%, -50%) scale(1.08);
}

.video-preview__play-badge svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
  margin-left: 3px;
}

.video-preview__tag {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background-color: rgba(13, 17, 19, 0.9);
  color: #F4F3F0;
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  letter-spacing: 0.08em;
  padding: 4px 10px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 01 FOUNDATION STRATEGY BOARD */
.foundation-board {
  border: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
  padding: var(--space-xl);
  margin-top: var(--space-md);
}

.foundation-board__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.foundation-board__tag {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 600;
}

.foundation-board__meta {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-tertiary);
}

.foundation-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.foundation-cell {
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  padding: var(--space-md);
}

.foundation-cell__num {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
  font-weight: 600;
}

.foundation-cell__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.foundation-cell__list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.6;
}

.foundation-cell__list li {
  position: relative;
  padding-left: 12px;
  margin-bottom: 4px;
}

.foundation-cell__list li::before {
  content: "·";
  position: absolute;
  left: 0;
  font-weight: bold;
  color: var(--accent);
}

/* 05 RESULT PANEL (FROM BRAND TO BUSINESS) */
.case-result-panel {
  border: 2px solid var(--border-dark);
  background-color: var(--bg-elevated);
  padding: var(--space-2xl) var(--space-xl);
  position: relative;
  margin-top: var(--space-md);
}

.case-result-panel__header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.case-result-panel__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
}

.case-result-panel__headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2.8vw, 2.5rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--space-xs);
}

.case-result-panel__statement {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  font-weight: 600;
  color: var(--text-primary);
  word-break: keep-all;
  max-width: 700px;
  line-height: 1.5;
}

.case-result-chain {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  margin-bottom: var(--space-xl);
}

.case-result-chain__node {
  padding: var(--space-md);
  border-right: 1px solid var(--border-color);
  position: relative;
}

.case-result-chain__node:last-child {
  border-right: none;
  background-color: rgba(211, 58, 44, 0.06);
}

.case-result-chain__step-num {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--accent);
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}

.case-result-chain__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 6px;
}

.case-result-chain__desc {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.5;
}

.case-result-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.case-result-fact {
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-sm);
}

.case-result-fact__title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.case-result-fact__val {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   05 CASE 02 — BLACKSTONE BELLE FORET (PLAN TO EXPERIENCE)
   -------------------------------------------------------------------------- */
.flow-diagram {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--border-color);
  margin-bottom: var(--space-2xl);
  background-color: var(--bg-elevated);
}

.flow-diagram__step {
  padding: var(--space-md) var(--space-sm);
  border-right: 1px solid var(--border-color);
  text-align: center;
}

.flow-diagram__step:last-child {
  border-right: none;
}

.flow-diagram__num {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}

.flow-diagram__label {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.2vw, 1.1rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   05 CASE 02 — BLACKSTONE BELLE FORET (PLAN TO EXPERIENCE)
   -------------------------------------------------------------------------- */
.bf-subblock {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
}

.bf-subblock__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.bf-subblock__tag {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
}

.bf-subblock__title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  margin: 0;
}

.bf-subblock__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.6;
  margin: 0;
}

/* Scope Pills */
.bf-scope-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--space-lg);
}

.bf-scope-pill {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  padding: 6px 12px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.bf-scope-pill::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--accent);
  border-radius: 50%;
}

/* Document Frame (Professional Editorial Frame) */
.bf-doc-frame {
  border: 1px solid var(--border-color);
  background-color: #FFFFFF;
  margin-bottom: var(--space-lg);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.bf-doc-frame__bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background-color: var(--bg-elevated);
  border-bottom: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-secondary);
}

.bf-doc-frame__badge {
  padding: 2px 8px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background-color: var(--text-primary);
  color: #FFFFFF;
}

.bf-doc-frame__badge--accent {
  background-color: var(--accent);
}

.bf-doc-frame__badge--plan {
  background-color: #2D3748;
}

.bf-doc-frame__image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.bf-doc-frame__caption {
  padding: 12px 18px;
  border-top: 1px solid var(--border-color);
  background-color: #FFFFFF;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

.bf-doc-frame__caption strong {
  color: var(--text-primary);
}

/* 3-Step Flow Pills */
.bf-flow-pills {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.bf-flow-pill {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  padding: 4px 10px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 600;
}

.bf-flow-pill--active {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.bf-flow-arrow {
  color: var(--accent);
  font-weight: bold;
}

/* Plan vs Reality Split Grid */
.plan-reality-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.plan-reality-col {
  display: flex;
  flex-direction: column;
}

.plan-reality-col__header {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-dark);
  padding-bottom: var(--space-xs);
  margin-bottom: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.plan-reality-col__badge {
  font-size: var(--text-meta);
  padding: 2px 8px;
  background-color: var(--text-primary);
  color: var(--bg-primary);
}

.plan-reality-col__badge--accent {
  background-color: var(--accent);
  color: #FFFFFF;
}

/* Spec Box */
.bf-spec-box {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.bf-spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.bf-spec-item {
  border-left: 2px solid var(--accent);
  padding-left: 10px;
}

.bf-spec-item__label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  display: block;
}

.bf-spec-item__val {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* F&B Experience Cards */
.bf-fnb-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.bf-fnb-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.bf-fnb-card {
  border: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.bf-fnb-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.bf-fnb-card__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 4px;
}

.bf-fnb-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.bf-fnb-card__meta {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}

.bf-fnb-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: auto;
}

/* Activity Grid */
.bf-activity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

/* Marketing Grid */
.bf-mkt-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

/* Result Pipeline */
.bf-result-chain {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--border-color);
  background-color: #FFFFFF;
  margin-bottom: var(--space-lg);
}

.bf-result-node {
  padding: var(--space-md);
  border-right: 1px solid var(--border-color);
}

.bf-result-node:last-child {
  border-right: none;
}

.bf-result-node__step {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 4px;
  display: block;
}

.bf-result-node__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.bf-result-node__desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* Closing Box */
.bf-closing-box {
  border-left: 3px solid var(--accent);
  background-color: var(--bg-elevated);
  padding: var(--space-lg) var(--space-xl);
  margin-top: var(--space-lg);
}

.bf-closing-box__quote {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: var(--space-xs);
}

.bf-closing-box__note {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-secondary);
  margin: 0;
}


/* --------------------------------------------------------------------------
   06 CASE 03 — DESIGNCELL (FROM PRODUCT TO MARKET)
   -------------------------------------------------------------------------- */
.dc-subblock {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
}

.dc-subblock__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.dc-subblock__tag {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
}

.dc-subblock__title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  margin: 0;
}

.dc-subblock__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.6;
  margin: 0;
}

/* Formula Showcase Card (Section 01) */
.dc-formula-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-lg);
  border: 1px solid var(--border-color);
  background-color: #FFFFFF;
  margin-bottom: var(--space-lg);
  overflow: hidden;
  align-items: center;
}

.dc-formula-card__content {
  padding: var(--space-xl);
}

.dc-formula-card__badge {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  padding: 4px 8px;
  background-color: var(--text-primary);
  color: #FFFFFF;
  display: inline-block;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.dc-formula-card__heading {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.dc-formula-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.dc-formula-card__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.dc-formula-card__pill {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.dc-formula-card__image-wrap {
  width: 100%;
  height: 100%;
  min-height: 340px;
  overflow: hidden;
  background-color: #FAFAF9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dc-formula-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Brand & Product Showcase Grids */
.dc-2col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.dc-3col-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

/* Funding BD Cards (Section 04: NEED -> FUNDING -> EXECUTION) */
.dc-funding-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.dc-funding-card {
  border: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.dc-funding-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.dc-funding-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.dc-funding-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.dc-funding-card__steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-sm);
}

.dc-funding-step {
  font-size: 12px;
  line-height: 1.4;
  color: var(--text-secondary);
}

.dc-funding-step strong {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  display: block;
  color: var(--text-primary);
  margin-bottom: 2px;
}

/* Video Badge */
.dc-video-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background-color: #1A1A1A;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-decoration: none;
  border: 1px solid #1A1A1A;
  transition: background-color 0.2s ease, color 0.2s ease;
  margin-bottom: var(--space-md);
}

.dc-video-badge:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
}

.dc-video-badge__icon {
  display: inline-block;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid #FFFFFF;
}

/* Global Progression Chain (Section 06) */
.dc-progression-chain {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--space-lg);
  padding: 12px 16px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
}

.dc-progression-step {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
}

.dc-progression-arrow {
  color: var(--accent);
  font-weight: bold;
}

/* Result Synthesis Pipeline (Section 07) */
.dc-result-chain {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--border-color);
  background-color: #FFFFFF;
  margin-bottom: var(--space-lg);
}

.dc-result-node {
  padding: var(--space-md);
  border-right: 1px solid var(--border-color);
}

.dc-result-node:last-child {
  border-right: none;
}

.dc-result-node__step {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 4px;
  display: block;
}

.dc-result-node__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.dc-result-node__desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* Closing Card */
.dc-closing-box {
  border-left: 3px solid var(--accent);
  background-color: var(--bg-elevated);
  padding: var(--space-lg) var(--space-xl);
  margin-top: var(--space-lg);
}

.dc-closing-box__quote {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: var(--space-xs);
}

.dc-closing-box__note {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-secondary);
  margin: 0;
}


/* --------------------------------------------------------------------------
   07 EXPERIENCE (EDITORIAL TIMELINE)
   -------------------------------------------------------------------------- */
.timeline {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-color);
}

.timeline__item {
  display: grid;
  grid-template-columns: 220px 1.4fr 1.6fr;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--border-color);
  align-items: baseline;
  gap: var(--space-md);
}

.timeline__period {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

.timeline__period--current {
  color: var(--accent);
  font-weight: 600;
}

.timeline__company {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.8vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.timeline__role {
  font-size: var(--text-body);
  color: var(--text-primary);
  font-weight: 500;
}

.career-evolution {
  margin-top: var(--space-2xl);
  border: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
  padding: var(--space-xl);
}

.career-evolution__title {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-xs);
}

.career-evolution__flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.career-evolution__step {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.4vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  padding: 6px 14px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
}

.career-evolution__step:last-child {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.career-evolution__arrow {
  color: var(--accent);
  font-weight: bold;
}

/* --------------------------------------------------------------------------
   08 CAPABILITIES — HIERARCHY (3 CORE + 3 SUPPORTING)
   -------------------------------------------------------------------------- */
.capabilities-group {
  margin-bottom: var(--space-2xl);
}

.capabilities-group__title {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.capabilities-group__badge {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  padding: 2px 8px;
  background-color: var(--accent);
  color: #FFFFFF;
  letter-spacing: 0.08em;
}

.capabilities-group__badge--secondary {
  background-color: var(--text-secondary);
  color: #FFFFFF;
}

/* CORE CAPABILITIES (VISUALLY PROMINENT) */
.capabilities-grid--core {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.capability-card--core {
  border: 1px solid var(--border-dark);
  background-color: var(--bg-elevated);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  transition: transform var(--duration-fast) ease;
}

.capability-card--core:hover {
  transform: translateY(-3px);
}

.capability-card--core .capability-card__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: 700;
  display: block;
  margin-bottom: var(--space-xs);
}

.capability-card--core .capability-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.8vw, 1.65rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin-bottom: var(--space-sm);
}

.capability-card--core .capability-card__desc {
  font-size: var(--text-body);
  color: var(--text-primary);
  line-height: 1.65;
  margin-bottom: var(--space-lg);
  word-break: keep-all;
}

.capability-card--core .capability-card__proof {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-sm);
  font-weight: 500;
}

/* SUPPORTING CAPABILITIES (REFINED SECONDARY) */
.capabilities-grid--supporting {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.capability-card--supporting {
  border: 1px solid var(--border-color);
  background-color: rgba(236, 234, 229, 0.5);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.capability-card--supporting .capability-card__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}

.capability-card--supporting .capability-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-xs);
}

.capability-card--supporting .capability-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  word-break: keep-all;
}

.capability-card--supporting .capability-card__proof {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-tertiary);
  border-top: 1px dashed var(--border-color);
  padding-top: var(--space-xs);
}

/* --------------------------------------------------------------------------
   09 CONTACT SECTION — POSTER-SCALE CLOSING STATEMENT
   -------------------------------------------------------------------------- */
.contact {
  padding-bottom: var(--space-2xl);
}

.contact__poster {
  padding: var(--space-3xl) 0 var(--space-2xl) 0;
  border-bottom: 1px solid var(--border-color);
}

.contact__headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6.8vw, 6.2rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  line-height: 0.98;
  margin-bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
}

.contact__headline-accent {
  color: var(--accent);
}

.contact__manifesto {
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  font-weight: 600;
  color: var(--text-primary);
  max-width: 820px;
  line-height: 1.45;
  margin-bottom: var(--space-2xl);
  word-break: keep-all;
}

.contact__action-group {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.btn-contact-primary {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 18px 36px;
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--text-primary);
  font-weight: 600;
  transition: all var(--duration-fast) ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.btn-contact-primary:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
}

.btn-contact-secondary {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 18px 36px;
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-dark);
  font-weight: 600;
  transition: all var(--duration-fast) ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-contact-secondary:hover {
  background-color: var(--text-primary);
  color: var(--bg-primary);
}

.site-footer {
  padding: var(--space-xl) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--text-tertiary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   RESPONSIVE DESIGN (TABLET & MOBILE)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero__preview-index {
    grid-template-columns: 1fr;
  }

  .works-showcase {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .works-preview-container {
    position: static;
  }

  .case-split {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .case-split__sidebar {
    position: static;
    max-height: none;
    overflow-y: visible;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--space-lg);
  }

  .flow-diagram {
    grid-template-columns: repeat(3, 1fr);
  }

  .flow-diagram__step:nth-child(3) {
    border-right: none;
  }

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

  .capabilities-grid--core,
  .capabilities-grid--supporting {
    grid-template-columns: 1fr;
  }

  .evidence-comparison,
  .plan-reality-split {
    grid-template-columns: 1fr;
  }

  .bf-fnb-showcase {
    grid-template-columns: 1fr;
  }

  .bf-fnb-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bf-activity-grid,
  .bf-mkt-grid,
  .dc-funding-grid,
  .dc-3col-grid {
    grid-template-columns: 1fr 1fr;
  }

  .dc-formula-card,
  .dc-2col-grid {
    grid-template-columns: 1fr;
  }

  .bf-result-chain,
  .dc-result-chain {
    grid-template-columns: repeat(3, 1fr);
  }

  .bf-spec-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .foundation-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-result-chain {
    grid-template-columns: repeat(3, 1fr);
  }

  .case-gallery-grid--3col {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .site-header__indicator {
    display: none;
  }

  .site-nav {
    gap: var(--space-md);
  }

  .hero__top-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .hero__meta-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 12px 16px;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .works-index__link {
    grid-template-columns: 40px 1fr 30px;
  }

  .works-index__thesis {
    font-size: var(--text-meta);
  }

  .flow-diagram {
    grid-template-columns: 1fr;
  }

  .flow-diagram__step {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .facilities-grid,
  .bf-fnb-grid,
  .bf-activity-grid,
  .bf-mkt-grid,
  .bf-result-chain,
  .bf-spec-grid,
  .dc-formula-card,
  .dc-2col-grid,
  .dc-funding-grid,
  .dc-3col-grid,
  .dc-result-chain {
    grid-template-columns: 1fr;
  }

  .bf-result-node,
  .dc-result-node {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

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

  .timeline__item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .case-gallery-grid,
  .case-gallery-grid--3col {
    grid-template-columns: 1fr;
  }

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

  .foundation-board {
    padding: var(--space-md);
  }

  .case-result-panel {
    padding: var(--space-lg) var(--space-md);
  }

  .case-result-chain {
    grid-template-columns: 1fr;
  }

  .case-result-chain__node {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .case-result-facts {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}