/* ==========================================================================
   DESIGN TOKENS & CSS CUSTOM PROPERTIES
   ========================================================================== */
:root {
  --color-bg: #FCFAF7;
  --color-bg-soft: #F5F4F1;
  --color-text: #1A1A1A;
  --color-text-muted: #4A4A4A;
  --color-accent: #FF2A65;          /* Graphic accents, badges, numerals */
  --color-accent-strong: #FF2A65;   /* WCAG AA (>= 4.5:1) for buttons, links, active states */
  --color-line: #DCDAD5;
  --color-placeholder: #E6E4DF;
  --color-placeholder-dark: #D4D2CD;
  --color-dark: #1A1A1A;

  /* Typography Stacks */
  --font-heading: 'Sora', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Fluid Typography */
  --text-h1: clamp(2.75rem, 5vw + 1rem, 5rem);     /* 44px - 80px */
  --text-h2: clamp(2rem, 3vw + 0.8rem, 3rem);       /* 32px - 48px */
  --text-h3: clamp(1.25rem, 1.5vw + 0.5rem, 1.5rem);/* 20px - 24px */
  --text-body: 1.125rem;                            /* 18px */
  --text-eyebrow: 0.84375rem;                       /* 13.5px */

  /* Spacing Scale (8px based) */
  --space-1: 0.5rem;   /* 8px */
  --space-2: 1rem;     /* 16px */
  --space-3: 1.5rem;   /* 24px */
  --space-4: 2rem;     /* 32px */
  --space-5: 2.5rem;   /* 40px */
  --space-6: 3rem;     /* 48px */
  --space-8: 4rem;     /* 64px */
  --space-12: 6rem;    /* 96px */
  --space-16: 8rem;    /* 128px */

  /* Case study specific spacing tokens */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  --spacing-4xl: 8rem;

  /* Structural Boundaries */
  --max-width: 1200px;
  --container-max: 1200px;
  --reading-max: 70ch;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --header-height: 80px;

  /* Focus Ring */
  --focus-ring: 3px solid var(--color-text);
  --focus-offset: 3px;
}

/* ==========================================================================
   CSS RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  background-color: var(--color-bg);
  color: var(--color-text);
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

/* Accessibility Focus States */
:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.cta-banner :focus-visible,
.section-contact :focus-visible,
.site-footer :focus-visible {
  outline: 3px solid #FFFFFF;
  outline-offset: 3px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1.5rem;
  background: var(--color-text);
  color: #FFFFFF;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  z-index: 10000;
  transition: top 0.2s ease;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Container Utility */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(16px, 4vw, 32px);
  padding-right: clamp(16px, 4vw, 32px);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-eyebrow);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent-strong);
  margin-bottom: var(--space-2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.15s ease, border-color 0.2s ease, color 0.2s ease;
  position: relative;
  cursor: pointer;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary, .btn-primary {
  background-color: var(--color-accent-strong);
  color: #FFFFFF;
  border: 2px solid var(--color-accent-strong);
}

.btn--primary:hover, .btn-primary:hover {
  background-color: #b50031;
  border-color: #b50031;
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn--secondary, .btn-secondary {
  background-color: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-text);
}

.btn--secondary:hover, .btn-secondary:hover {
  background-color: var(--color-text);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn--white, .btn-white {
  background-color: #FFFFFF;
  color: var(--color-accent-strong);
  border: 2px solid #FFFFFF;
  font-weight: 700;
}

.btn--white:hover, .btn-white:hover {
  background-color: #F5F4F1;
  border-color: #F5F4F1;
  transform: translateY(-1px);
}

/* ==========================================================================
   1. HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  background-color: #FCFAF7;
  border-bottom: 1px solid var(--color-line);
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.site-header__inner,
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 100%;
}

.site-header__brand, .logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text);
  text-decoration: none;
}


.site-header .header_icon {
  width: 32px;
  height: 32px;
  clip-path: circle();
  object-fit: cover;
  flex-shrink: 0;
  display: inline-block;
}

.site-header .pill {
  color: var(--color-accent-strong);
}

.site-header__nav, .nav-wrapper {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-header__links, .nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.site-header__link, .nav-link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text);
  text-decoration: none;
  position: relative;
  padding: 0.5rem 0;
  transition: color 0.15s ease;
}

.site-header__link:hover, .nav-link:hover {
  color: var(--color-accent-strong);
}

.site-header__link[aria-current="page"],
.nav-link[aria-current="page"] {
  font-weight: 600;
  color: var(--color-accent-strong);
}

.site-header__link[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent-strong);
}

.site-header__cta {
  display: inline-flex;
}

/* Mobile Menu Toggle Button */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 8px;
  border-radius: var(--radius-sm);
 /* border: 1px solid var(--color-line); */
  background: none;
  cursor: pointer;
}

.menu-toggle__line {
  width: 100%;
  height: 4px;
  background-color: var(--color-accent-strong);
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: center;
}

/* ==========================================================================
   2. HERO SECTION (Homepage)
   ========================================================================== */
.hero {
  background-color: var(--color-bg);
  padding-top: var(--space-8);
  padding-bottom: var(--space-12);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: var(--space-8);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-bg-soft);
  border: 1px solid var(--color-line);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: var(--text-h1);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.hero__description {
  font-size: clamp(1.125rem, 1vw + 0.5rem, 1.25rem);
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 58ch;
  margin-bottom: var(--space-6);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.hero__portrait-wrap {
  width: 100%;
  position: relative;
}

.hero__portrait-box {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  background-color: var(--color-placeholder);
  border: 1px solid var(--color-line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 16px 36px -12px rgba(26, 26, 26, 0.06);
}

.hero__portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__content {
  padding: 30px 0 30px 0;
}

.placeholder-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

/* ==========================================================================
   3. WHAT I DO SECTION (Homepage)
   ========================================================================== */
.section-what-i-do {
  background-color: var(--color-bg-soft);
  padding-top: var(--space-12);
  /* padding-bottom: var(--space-12);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line); */
}

.section-heading {
  font-family: var(--font-heading);
  font-size: var(--text-h2);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.what-i-do__narrative {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.what-i-do__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-line);
  margin-bottom: var(--space-6);
}

.step-card {
  background-color: #FFFFFF;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 160px;
}

.step-card__num {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 1.25rem;
}

.step-card__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
}

.what-i-do__summary {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
  max-width: 80ch;
  line-height: 1.65;
}

/* ==========================================================================
   4. WORK SECTION (Homepage)
   ========================================================================== */
.section-work {
  background-color: var(--color-bg);
  /* padding-top: var(--space-12); */
  padding-bottom: var(--space-16);
}

.section-intro {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 65ch;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: transparent;
  position: relative;
}

.project-card__visual {
  width: 100%;
  aspect-ratio: 3 / 2;
  background-color: var(--color-placeholder);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
  overflow: hidden;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.project-card__img {
  width: 100%;
  height: 100%;
object-fit: cover;
 transition: transform 0.3s ease-in-out, filter 0.3s ease-in-out;
}

.project-card:hover .project-card__img {
  transform: scale(1.03);
 filter: brightness(0.90);
}

.project-card__meta {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-card__client {
  font-size: var(--text-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--color-accent-strong);
  margin-bottom: 0.4rem;
}

.project-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-h3);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.project-card__link {
  color: inherit;
  text-decoration: none;
}

.project-card__link::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
}

.project-card:hover .project-card__title {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  color: var(--color-accent-strong);
}

.project-card__desc {
  font-size: 0.975rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.project-card__action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent-strong);
  margin-top: auto;
}

.project-card__action svg {
  transition: transform 0.2s ease;
}

.project-card:hover .project-card__action svg {
  transform: translateX(4px);
}

/* ==========================================================================
   5. APPROACH SECTION (Homepage)
   ========================================================================== */
.section-approach {
  background-color: var(--color-bg-soft);
  padding-top: var(--space-12);
  padding-bottom: var(--space-16);
  border-top: 1px solid var(--color-line);
}

.approach__statement {
  font-family: var(--font-heading);
  font-size: var(--text-h2);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--color-text);
  max-width: 48ch;
  margin-top: var(--space-2);
  margin-bottom: var(--space-8);
}

.approach__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: var(--space-12);
}

.approach-card {
  background: #FFFFFF;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.approach-card__icon {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.approach-card__title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.approach__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  margin-bottom: var(--space-8);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-item__value {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 3.5vw, 3.25rem);
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.stat-item__label {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
}

.approach__narrative {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* ==========================================================================
   6. CONTACT & CTA SECTION
   ========================================================================== */
.section-contact, .cta-banner {
  background-color: var(--color-accent-strong);
  color: #FFFFFF;
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
  position: relative;
}

.cta-banner {
  padding: clamp(64px, 8vw, 96px) 0;
  text-align: center;
}

.contact__eyebrow {
  color: #FFFFFF;
  opacity: 0.9;
}

.cta-banner .eyebrow {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 12px;
}

.contact__title, .cta-heading {
  font-family: var(--font-heading);
  font-size: var(--text-h2);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.cta-heading {
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.contact__lead {
  font-size: 1.35rem;
  line-height: 1.55;
  color: #FFFFFF;
  max-width: 48ch;
  margin-bottom: var(--space-6);
  font-weight: 400;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  max-width: 50ch;
  margin: 0 auto 32px auto;
}

.contact__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2rem;
}

.contact__link {
  color: #FFFFFF;
  font-weight: 600;
  font-size: 1.15rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: opacity 0.2s ease;
}

.contact__link:hover {
  opacity: 0.85;
}

/* ==========================================================================
   7. CASE STUDY SPECIFIC STYLES
   ========================================================================== */
/* Breadcrumbs */
.breadcrumb-nav {
  padding-top: clamp(24px, 4vw, 40px);
  padding-bottom: 16px;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  list-style: none;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.breadcrumb-item a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.breadcrumb-item a:hover {
  color: var(--color-accent-strong);
  text-decoration: underline;
}

.breadcrumb-separator {
  color: var(--color-line);
  user-select: none;
}

.breadcrumb-item[aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
}

/* Header & Metadata */
.case-header {
  padding-top: 16px;
  padding-bottom: clamp(32px, 5vw, 56px);
}

.case-title {
  font-size: clamp(2.25rem, 5vw, 4rem);
  line-height: 1.1;
  margin-bottom: 16px;
  max-width: 22ch;
}

.case-subtitle {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  line-height: 1.4;
  color: var(--color-text-muted);
  font-weight: 400;
  max-width: 40ch;
  margin-bottom: clamp(32px, 4vw, 48px);
}

.metadata-bar {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: 24px 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px 32px;
}

.metadata-item dt {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-strong);
  margin-bottom: 4px;
}

.metadata-item dd {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  margin: 0;
  line-height: 1.4;
}

/* Figures & Media */
.case-figure {
  margin: 0 0 clamp(48px, 7vw, 80px) 0;
}

.placeholder-media {
  position: relative;
  width: 100%;
  background: var(--color-placeholder);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: background-color 0.2s ease;
}

.aspect-16-9 {
  aspect-ratio: 16 / 9;
}

.aspect-4-3 {
  aspect-ratio: 4 / 3;
}

.placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}

.placeholder-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
  opacity: 0.4;
  color: var(--color-text);
}

.placeholder-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 6px;
  font-family: monospace;
}

.figure-caption {
  margin-top: 14px;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  padding-left: 4px;
}

.figure-grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 36px);
  margin-bottom: clamp(48px, 7vw, 80px);
}

/* Case Narrative Sections */
.case-narrative-group {
  margin-bottom: clamp(48px, 7vw, 80px);
}

.narrative-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px clamp(32px, 6vw, 80px);
  padding: clamp(24px, 4vw, 40px) 0;
  border-top: 1px solid var(--color-line);
}

.narrative-block:first-of-type {
  border-top: none;
  padding-top: 0;
}

.narrative-heading {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  line-height: 1.25;
  color: var(--color-text);
  max-width: 18ch;
}

.narrative-content {
  max-width: var(--reading-max);
}

.narrative-content p {
  font-size: clamp(1.0625rem, 1.2vw, 1.25rem);
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.narrative-content p:last-child {
  margin-bottom: 0;
}

/* Case Navigation */
.project-nav-section {
  padding: clamp(48px, 6vw, 80px) 0;
  border-top: 1px solid var(--color-line);
  background-color: var(--color-bg);
}

.project-nav-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 3vw, 32px);
}

.project-nav-card {
  position: relative;
  display: block;
  padding: clamp(24px, 3vw, 36px);
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  text-decoration: none;
  transition: all 0.2s ease;
}

.project-nav-card:hover {
  border-color: var(--color-line);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.04);
}

.project-nav-card.nav-prev {
  text-align: left;
}

.project-nav-card.nav-next {
  text-align: right;
}

.project-nav-direction {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-strong);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.project-nav-card.nav-next .project-nav-direction {
  justify-content: flex-end;
}

.project-nav-title {
  font-family: var(--font-heading);
  font-size: clamp(1.125rem, 1.8vw, 1.375rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

/* ==========================================================================
   8. FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--color-dark);
  color: #FFFFFF;
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
  font-size: 0.95rem;
}

.footer__top, .footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  margin-bottom: var(--space-4);
}

.footer__brand-block, .footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer__brand-block .logo,
.footer-brand .logo {
  color: #FFFFFF;
  font-size: 1.25rem;
  display: block;
  margin-bottom: 4px;
}

.footer__wordmark {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #FFFFFF;
}

.footer__tagline, .footer-tagline {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
}

.footer__nav, .footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  align-items: center;
  list-style: none;
}

.footer__link, .footer-link {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.2s ease;
}

.footer__link:hover, .footer-link:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer__bottom, .footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

.footer-bottom {
  border-top: 1px solid #333333;
  padding-top: 32px;
}

.footer__back-to-top, .back-to-top {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
}

.footer__back-to-top:hover, .back-to-top:hover {
  color: #FFFFFF;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (Mobile-First Architecture)
   ========================================================================== */

/* Min-Width Queries */
@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 768px) {
  .narrative-block {
    grid-template-columns: minmax(240px, 1fr) 2fr;
    align-items: start;
  }

  .footer-top {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

/* Max-Width Queries */

/* Tablet (< 1024px) */
@media (max-width: 1023px) {
  .work-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .what-i-do__steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .approach__cards {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

/* Mobile & Small Tablet (< 768px) */
@media (max-width: 767px) {
  :root {
    --header-height: 72px;
  }

  .menu-toggle {
    display: flex;
  }

  .site-header__nav, .nav-wrapper {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid var(--color-line);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem;
    gap: 1.25rem;
    box-shadow: x rgba(0, 0, 0, 0.08);
    display: none;
  }

  .site-header__nav.is-open, .nav-wrapper.is-open {
    display: flex;
  }

  .site-header__links, .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    width: 100%;
  }

  .site-header__link, .nav-link {
    font-size: 1.15rem;
    width: 100%;
  }

  .site-header__cta {
    width: 100%;
    margin-top: 0.5rem;
  }

  .hero {
    padding-top: var(--space-4);
    padding-bottom: var(--space-8);
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .hero__portrait-box {
    max-width: 380px;
    margin: 0 auto;
  }

  .what-i-do__narrative,
  .approach__narrative {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .what-i-do__steps {
    grid-template-columns: 1fr;
  }

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

  .approach__stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .contact__actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .footer__top, .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer__nav, .footer-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .figure-grid-two {
    grid-template-columns: 1fr;
  }

  .placeholder-media {
    border-radius: var(--radius-lg);
  }
}

/* Small Mobile (< 640px) */
@media (max-width: 640px) {
  .project-nav-grid {
    grid-template-columns: 1fr;
  }

  .project-nav-card.nav-next {
    text-align: left;
  }

  .project-nav-card.nav-next .project-nav-direction {
    justify-content: flex-start;
  }
}

/* Smallest Mobile (< 480px) */
@media (max-width: 479px) {
  .btn {
    width: 100%;
  }
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }
}

/* ===========================================================================
   CASE STUDY MODAL
   =========================================================================== */
body.modal-open {
  overflow: hidden;
}

.hero__featured-media {
  display: block;
  padding: 0;
  font: inherit;
  color: inherit;
  text-decoration: none;
}

.hero__featured-media:hover,
.hero__featured-media:focus-visible {
  transform: translateY(-2px);
}

.cs-lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s;
}

.cs-lightbox.is-active,
.cs-lightbox:target {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.cs-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(18, 18, 18, 0.68);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.cs-lightbox__dialog {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 940px;
  max-height: 90vh;
  overflow: hidden;
  background-color: #fff;
  border: 1px solid rgba(220, 218, 213, 0.8);
  border-radius: var(--radius-xl);
  box-shadow: 0 32px 72px -16px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 0, 0, 0.05);
  transform: scale(0.97) translateY(12px);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.cs-lightbox.is-active .cs-lightbox__dialog,
.cs-lightbox:target .cs-lightbox__dialog {
  transform: scale(1) translateY(0);
}

.cs-lightbox__header-bar {
  z-index: 1;
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.75rem;
  background-color: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.cs-lightbox__brand-indicator {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-text-muted);
  font-size: 0.825rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.cs-lightbox__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  color: var(--color-accent-strong);
  background-color: var(--color-bg-soft);
  border: 1px solid var(--color-line);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.cs-lightbox__close-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  color: var(--color-text);
  background-color: var(--color-bg-soft);
  border: 1px solid var(--color-line);
  border-radius: 9999px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.cs-lightbox__close-btn:hover,
.cs-lightbox__close-btn:focus-visible {
  color: #fff;
  background-color: var(--color-dark);
  border-color: var(--color-dark);
}

.cs-lightbox__close-icon {
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1;
}

.cs-lightbox__body {
  padding: 2.25rem 2.5rem 3rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.cs-lightbox__body::-webkit-scrollbar { width: 8px; }
.cs-lightbox__body::-webkit-scrollbar-track { background: #f5f4f1; }
.cs-lightbox__body::-webkit-scrollbar-thumb { background: #c4c2bc; border-radius: 4px; }

.cs-header { margin-bottom: 2rem; }

.cs-header__client {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-accent-strong);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.cs-header__title {
  margin-bottom: 0.85rem;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.12;
}

.cs-header__subtitle {
  max-width: 72ch;
  color: var(--color-text-muted);
  font-size: clamp(1.15rem, 1.5vw, 1.3rem);
  line-height: 1.5;
}

.cs-metadata {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding: 1.5rem 1.75rem;
  margin-bottom: 2.5rem;
  background-color: var(--color-bg-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.cs-metadata__item,
.cs-metric {
  display: flex;
  flex-direction: column;
}

.cs-metadata__item { gap: 0.3rem; }

.cs-metadata__label,
.cs-results-block__eyebrow {
  color: var(--color-accent-strong);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cs-metadata__val {
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
}

.cs-media-hero { margin-bottom: 2.75rem; }

.cs-media-hero__frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-placeholder);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 28px -8px rgba(0, 0, 0, 0.08);
}

.cs-media-hero__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cs-caption {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding-left: 0.25rem;
  margin-top: 0.65rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.cs-prose {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.75rem;
  color: #2d2d2d;
  font-size: 1.1rem;
  line-height: 1.75;
}

.cs-prose h3,
.cs-prose h4 {
  color: var(--color-text);
  font-family: var(--font-heading);
}

.cs-prose h3 {
  margin-top: 1rem;
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

.cs-prose h4 {
  margin-top: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.cs-prose p { margin: 0; }

.cs-quote {
  padding: 1rem 0 1rem 1.5rem;
  margin: 1.25rem 0;
  color: var(--color-text);
  background: linear-gradient(to right, rgba(255, 20, 80, 0.04), transparent);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.45;
}

.cs-dual-grid,
.cs-gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.25rem 0;
}

.cs-dual-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.75rem;
  background-color: var(--color-bg-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
}

.cs-dual-card--solution {
  background-color: #fff;
  border: 2px solid var(--color-accent-strong);
}

.cs-dual-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cs-dual-card__tag--challenge { color: #6b7280; }
.cs-dual-card__tag--solution { color: var(--color-accent-strong); }

.cs-dual-card__title {
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
}

.cs-dual-card__body {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.cs-gallery-grid { gap: 1.25rem; margin: 1.5rem 0; }

.cs-gallery-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cs-gallery-item__img {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--color-placeholder);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

.cs-gallery-item__caption {
  color: var(--color-text-muted);
  font-size: 0.825rem;
  line-height: 1.45;
}

.cs-results-block {
  position: relative;
  padding: 2.5rem;
  margin-top: 1rem;
  overflow: hidden;
  color: #fff;
  background-color: var(--color-dark);
  border-radius: var(--radius-xl);
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.2);
}

.cs-results-block::after {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  content: '';
 /* background: radial-gradient(circle, rgba(255, 20, 80, 0.4) 0%, transparent 70%); */
  pointer-events: none;
}

.cs-results-block__eyebrow {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-accent);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
}

.cs-results-block__title {
  margin-bottom: 2rem;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.cs-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-bottom: 2rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.cs-metric__value {
  margin-bottom: 0.35rem;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.cs-metric__label {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
}

.cs-results-block__summary {
  max-width: 70ch;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.05rem;
  line-height: 1.65;
}

.cs-lightbox__footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.75rem;
  margin-top: 2.5rem;
  border-top: 1px solid var(--color-line);
}

.cs-lightbox__footer-note {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

@media (max-width: 860px) {
  .cs-metadata,
  .cs-metrics-grid,
  .cs-dual-grid,
  .cs-gallery-grid {
    grid-template-columns: 1fr;
  }

  .cs-lightbox__body { padding: 1.5rem 1.25rem 2rem; }
  .cs-results-block { padding: 1.75rem 1.5rem; }
}

@media (max-width: 479px) {
  .cs-lightbox { padding: 0.75rem; }
  .cs-lightbox__header-bar { padding: 0.85rem 1rem; }
  .cs-lightbox__brand-indicator > span:last-child { display: none; }
  .cs-lightbox__footer-bar .btn { width: auto; }
}

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