/* Astryx Design System — theme-neutral */

:root {
  /* Colors */
  --color-background-body: #f1f1f1;
  --color-background-surface: #ffffff;
  --color-background-card: #ffffff;
  --color-text-primary: #171717;
  --color-text-secondary: #737373;
  --color-text-disabled: #a3a3a3;
  --color-accent: #262626;
  --color-accent-muted: #f1f1f1;
  --color-border: #d4d4d4;
  --color-border-emphasized: #b3b3b3;
  --color-neutral: #0000000F;
  --color-accent-pink: #b35c7a;

  /* Case-study accents: forest-green system + status tints */
  --color-forest: #1a3a2a;
  --color-forest-deep: #16241c;
  --color-forest-tint: #eef3f0;
  --color-forest-tint-border: #cfe0d6;
  --status-amber: #b47818;
  --status-amber-tint: #fbf3e4;
  --status-blue: #3a6ac0;
  --status-blue-tint: #eef3fb;
  --status-red: #c0504f;
  --status-red-tint: #fbeeee;

  /* Typography */
  --font-family-body: 'Figtree', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-family-heading: 'Figtree', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-sm: 0.75rem;
  --font-size-base: 0.875rem;
  --font-size-lg: 1.0625rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.8125rem;
  --font-size-4xl: 2.1875rem;
  --font-size-5xl: 2.625rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;

  /* Spacing (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Shape */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 100px;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-10);
}

body {
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.5;
  color: var(--color-text-primary);
  background: var(--color-background-body);
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul, ol {
  list-style: none;
}

/* Layout */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.surface {
  background: var(--color-background-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

/* Nav */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
}

.nav-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.nav-links {
  display: flex;
  gap: var(--space-6);
}

.nav-links a {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: var(--color-text-primary);
}

/* Hero */
.hero {
  padding: var(--space-12) 0 var(--space-10);
}

.hero-heading {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 780px;
  margin-bottom: var(--space-4);
  text-wrap: balance;
  widows: 2;
  orphans: 2;
}

.hero-body {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Projects Section */
.projects {
  padding: var(--space-12) 0 var(--space-24);
}

.projects-heading {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

/* Project Cards — split layout in card */
.project-card-full {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  padding: var(--space-12);
  background: var(--color-background-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  margin-bottom: var(--space-6);
}

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

.project-card-full:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
  border-color: var(--color-border-emphasized);
}

.project-card-content {
  display: flex;
  flex-direction: column;
}

.project-card-image-wrap {
  display: flex;
  align-items: center;
}

.project-card-image {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid #ebebeb;
}

.project-company {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.project-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
  text-wrap: balance;
}

.project-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  text-wrap: pretty;
}

.project-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.tag {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-accent-muted);
  color: var(--color-text-secondary);
}

.project-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.stat-number {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  display: block;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

.stat-label {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: var(--space-1);
  display: block;
}

.project-cta {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  display: inline-block;
  margin-top: var(--space-2);
}

/* Footer */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer a {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color 0.15s ease;
}

.footer a:hover {
  color: var(--color-text-primary);
}

/* About Page */
.about-content {
  padding: var(--space-16) 0 var(--space-24);
}

.about-content h1 {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-12);
}

.about-photo {
  max-width: 180px;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-12);
}

.about-bio {
  max-width: 600px;
  margin-bottom: var(--space-16);
}

.about-bio p {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.about-bio p:last-child {
  margin-bottom: 0;
}

.about-section {
  margin-bottom: var(--space-16);
}

.about-section h2 {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-6);
}

.about-story {
  max-width: 600px;
}

.story-chapter {
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-border);
}

.story-chapter:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.story-chapter h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.story-chapter p {
  font-size: var(--font-size-base);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.story-chapter p:last-child {
  margin-bottom: 0;
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

.skills-grid h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
}

.skills-grid ul {
  list-style: none;
}

.skills-grid li {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  padding: var(--space-1) 0;
}

.experience-list {
  list-style: none;
}

.experience-list li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-6);
}

.experience-list li:last-child {
  border-bottom: none;
}

.experience-date {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  min-width: 120px;
}

.experience-role {
  font-size: var(--font-size-base);
}

/* Case Study Hero - Title above, image below */
.case-study-hero {
  padding: var(--space-8) 0 var(--space-8);
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.case-study-hero .case-study-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.case-study-hero h1 {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-wrap: balance;
  widows: 2;
  orphans: 2;
}

.case-study-hero-image {
  margin-bottom: var(--space-12);
}

.case-study-hero-image img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  border: 1px solid #ebebeb;
}

/* Section nav - jump links (Medium tag style) */
.section-nav {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.section-nav a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: none;
  background: #e8e8e8;
  transition: background 0.15s ease, color 0.15s ease;
}

.section-nav a:hover {
  background: #d4d4d4;
  color: var(--color-text-primary);
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-text-primary);
  color: var(--color-background-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  line-height: 1;
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Overview Section */
.overview-section {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-16);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border);
}

.overview-left h2 {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-6);
}

.overview-left p {
  font-size: var(--font-size-base);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.overview-left .goals-list {
  margin-top: var(--space-2);
}

.overview-right {
  border-left: 1px solid var(--color-border);
  padding-left: var(--space-8);
}

.overview-meta-item {
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
}

.overview-meta-item:last-child {
  border-bottom: none;
}

.overview-meta-item label {
  display: block;
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.overview-meta-item span {
  font-size: var(--font-size-base);
  line-height: 1.5;
}

/* Case Study Body - Single column flow */
.case-study-body {
  padding: var(--space-12) 0 var(--space-16);
}

.case-study-body h2 {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-top: var(--space-12);
  margin-bottom: var(--space-6);
  padding-top: var(--space-12);
  border-top: 1px solid var(--color-border);
}

.case-study-body h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.case-study-body h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.case-study-body p {
  font-size: var(--font-size-base);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: var(--space-6);
  text-wrap: pretty;
}

.case-study-body ul,
.case-study-body ol {
  max-width: 680px;
  padding-left: var(--space-5);
  margin-bottom: var(--space-6);
}

.case-study-body li {
  font-size: var(--font-size-base);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}

.case-study-body ul {
  list-style: disc;
}

.case-study-body ol {
  list-style: decimal;
}

.case-study-body img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid #ebebeb;
  margin: var(--space-8) 0;
}

/* Framed screens - floating on tinted panel */
.screen-frame {
  background: #16241c;
  border-radius: var(--radius-xl);
  padding: var(--space-12);
  margin: var(--space-8) 0;
}

.screen-frame.tint-grey { background: #eceae6; }
.screen-frame.tint-pink { background: #f7e9ef; }

.screen-frame img {
  width: 100%;
  display: block;
  border-radius: var(--radius-md);
  border: none;
  margin: 0;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.screen-frame.tint-grey img,
.screen-frame.tint-pink img {
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.case-study-body .image-caption {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: calc(-1 * var(--space-6));
  margin-bottom: var(--space-8);
}

/* Callout box */
.callout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-8);
  background: var(--color-background-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-forest);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  margin: var(--space-8) 0;
}

.callout-main .callout-label {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-forest);
  margin-bottom: var(--space-3);
}

.callout-main p {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  max-width: none;
  margin-bottom: 0;
}

.callout-aside {
  border-left: 1px solid var(--color-border);
  padding-left: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.callout-aside p {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: none;
  margin-bottom: 0;
}

.callout-aside .aside-stat {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-forest);
  display: block;
  margin-bottom: var(--space-2);
}

/* Pull quote - real user verbatim */
.pull-quote {
  border-left: 3px solid #1a3a2a;
  padding: var(--space-2) 0 var(--space-2) var(--space-6);
  margin: var(--space-8) 0;
  max-width: 680px;
}

.pull-quote p {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  line-height: 1.4;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  max-width: none;
}

.pull-quote cite {
  font-style: normal;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Flow strip - Mobbin-style titled flow */
.flow-strip {
  margin: var(--space-8) 0 var(--space-6);
}

.flow-strip-band {
  background: #f4f4f2;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
}

.flow-strip-band.tint-dark {
  background: #16241c;
  border-color: transparent;
}

.flow-strip-band img {
  width: 100%;
  display: block;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 0, 0, 0.06);
  margin: 0;
}

/* Paired web + mobile, consistent aspect ratios (desktop 16:9, mobile 440:956) */
.flow-pair-band {
  display: flex;
  gap: var(--space-6);
  align-items: center;
  justify-content: center;
  background: #e8e8e6;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  overflow: hidden;
}

.flow-pair-band .device-web {
  flex: 0 0 auto;
  height: 340px;
  aspect-ratio: 1920 / 1080;
  max-width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.10);
}

.flow-pair-band .device-mobile {
  flex: 0 0 auto;
  height: 340px;
  aspect-ratio: 440 / 956;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.12);
}

.flow-pair-band .device-web img,
.flow-pair-band .device-mobile img {
  width: 100%;
  height: 100%;
  display: block;
  margin: 0;
  border: none;
  object-fit: cover;
  object-position: top;
}

/* Carousel - Mobbin-style single-panel with hover chevrons */
.carousel {
  margin: var(--space-8) 0 var(--space-6);
  max-width: 100%;
}

.carousel-viewport {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.carousel-track {
  display: flex;
}

.carousel-slide {
  flex: 0 0 100%;
  width: 100%;
  min-width: 0;
}

.carousel-slide .flow-pair-band {
  margin: 0;
}

/* Exploration-board carousel: two wide canvases shown at one consistent size,
   on a single defined surface so the frame never merges into the page. */
.explore-carousel .carousel-viewport {
  background: var(--color-background-surface);
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.explore-carousel .explore-board-frame {
  margin: 0;
  padding: var(--space-6);
  border-radius: 0;
  box-shadow: none;
  background: var(--color-background-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
}

.explore-carousel .explore-board-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: none;
}

/* Surface trio/row inside a carousel slide: one status shown across every touchpoint */
.surface-row {
  display: flex;
  gap: var(--space-8);
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
  background: #e8e8e6;
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-10);
}

.surface-row .surface-phone {
  flex: 0 0 auto;
  width: 178px;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.surface-row .surface-phone img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0;
  border: none;
  border-radius: 18px;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.12);
}

.surface-row .surface-phone figcaption {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-align: center;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.carousel-viewport:hover .carousel-btn {
  opacity: 1;
}

.carousel-btn:hover {
  transform: translateY(-50%) scale(1.05);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.carousel-btn:disabled {
  opacity: 0 !important;
  pointer-events: none;
}

.carousel-prev { left: var(--space-4); }
.carousel-next { right: var(--space-4); }

.carousel-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-6);
  margin-top: var(--space-5);
}

.carousel-caption {
  flex: 1 1 auto;
}

.carousel-caption .flow-strip-desc {
  max-width: none;
}

.carousel-dots {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
  padding-top: var(--space-1);
}

.carousel-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  border: none;
  padding: 0;
  background: var(--color-border-emphasized);
  cursor: pointer;
  transition: background 0.2s ease, width 0.2s ease;
}

.carousel-dot.is-active {
  width: 20px;
  background: var(--color-text-primary);
}

.flow-strip-head {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.flow-strip-head h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0;
}

.flow-strip-count {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.flow-strip-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-top: var(--space-2);
  max-width: 680px;
}

/* Mobbin-style filmstrip - all screens laid out in a row on a neutral field */
.screen-strip {
  margin: var(--space-6) 0 var(--space-4);
}

.screen-strip-band {
  display: flex;
  gap: var(--space-10);
  align-items: flex-start;
  background: #e8e8e6;
  border-radius: var(--radius-xl);
  padding: var(--space-16) var(--space-12);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding: var(--space-12);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.screen-strip-band::-webkit-scrollbar { display: none; }

/* Caption that follows a filmstrip: cancel the global negative pull-up
   and give it real breathing room from the neutral panel. */
.case-study-body .screen-strip + .image-caption {
  margin-top: var(--space-4);
}

.screen-phone {
  flex: 0 0 auto;
  width: 200px;
  scroll-snap-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.screen-phone img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0;
  border: none;
  border-radius: 18px;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.12);
}

.screen-phone figcaption {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  padding: 0 var(--space-1);
}

.screen-phone figcaption .step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--viz-green, #1a3a2a);
  color: #fff;
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  font-variant-numeric: tabular-nums;
}

/* Exploration board — the whole messy canvas, shown to convey volume of iteration */
.explore-board {
  margin: var(--space-8) 0 var(--space-4);
}

.explore-board-frame {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #16241c;
  padding: var(--space-3);
  box-shadow: 0 20px 50px rgba(22, 36, 28, 0.22);
}

.explore-board-frame img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0;
  border: none;
  border-radius: var(--radius-lg);
}

.explore-board figcaption {
  margin-top: var(--space-4);
  max-width: 680px;
  font-size: var(--font-size-base);
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.explore-board-eyebrow {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #b35c7a;
}

/* Prototype CTA — invites the reader into the live Figma flow */
.case-study-body .prototype-cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-8) 0;
  padding: var(--space-5) var(--space-6);
  background: #1a3a2a;
  border-radius: var(--radius-lg);
  color: #fff;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.case-study-body .prototype-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(26, 58, 42, 0.28);
}

.prototype-cta-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.14);
  font-size: 13px;
}

.prototype-cta-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.prototype-cta-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: #fff;
}

.prototype-cta-sub {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.72);
}

.prototype-cta-arrow {
  margin-left: auto;
  flex: none;
  font-size: var(--font-size-xl);
  transition: transform 0.2s ease;
}

.case-study-body .prototype-cta:hover .prototype-cta-arrow {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .case-study-body .prototype-cta {
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
  }
  .prototype-cta-icon { width: 34px; height: 34px; }
}

/* Research viz - animated benchmark chart (two-column callout) */
.research-viz {
  --viz-green: #1a3a2a;
  margin: var(--space-10) 0;
  padding: var(--space-10);
  background: var(--color-background-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: var(--space-12);
  align-items: center;
}

.viz-narrative {
  align-self: center;
}

.viz-eyebrow {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--viz-green);
  margin-bottom: var(--space-4);
}

.viz-lead {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-5);
}

.viz-chart {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

/* Stat row - placeholder-safe numbers */
.viz-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.viz-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.viz-stat-num {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--viz-green);
  font-variant-numeric: tabular-nums;
}

.viz-stat-gap .viz-stat-num {
  color: var(--color-accent-pink);
}

.viz-stat-num[data-tbd] {
  color: var(--color-text-disabled);
}

.viz-stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.35;
  /* Reserve two lines so every stat locks to the same baseline grid,
     whether its label wraps or not. */
  min-height: 2.7em;
  text-wrap: balance;
}

/* Service blueprint — one task across three system lanes */
.viz-blueprint {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.viz-lane-bands rect {
  fill: var(--color-accent-muted);
  stroke: var(--color-border);
  stroke-width: 1;
}

.viz-lane-label {
  font-family: var(--font-family-body);
  font-size: 13px;
  font-weight: var(--font-weight-medium);
  fill: var(--color-text-secondary);
}

.viz-trail-path {
  stroke: var(--viz-green);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dashoffset: 1;
  stroke-dasharray: 1;
  transition: stroke-dashoffset 1.8s cubic-bezier(0.65, 0, 0.35, 1);
}

[data-viz].is-visible .viz-trail-path { stroke-dashoffset: 0; }

.viz-node circle {
  fill: #fff;
  stroke: var(--viz-green);
  stroke-width: 3;
  opacity: 0;
  transform: scale(0.4);
  transform-origin: center;
  transform-box: fill-box;
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.viz-node text {
  font-family: var(--font-family-body);
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  fill: var(--viz-green);
  text-anchor: middle;
  dominant-baseline: central;
  opacity: 0;
  transition: opacity 0.35s ease;
}

[data-viz].is-visible .viz-node circle { opacity: 1; transform: scale(1); }
[data-viz].is-visible .viz-node text { opacity: 1; }

/* Stagger each stop so the path appears to "arrive" at them in sequence.
   The first <g> is .viz-lane-bands, so the numbered stops are the 2nd–8th <g>. */
.viz-node:nth-of-type(2) circle, .viz-node:nth-of-type(2) text { transition-delay: 0.15s; }
.viz-node:nth-of-type(3) circle, .viz-node:nth-of-type(3) text { transition-delay: 0.4s; }
.viz-node:nth-of-type(4) circle, .viz-node:nth-of-type(4) text { transition-delay: 0.65s; }
.viz-node:nth-of-type(5) circle, .viz-node:nth-of-type(5) text { transition-delay: 0.9s; }
.viz-node:nth-of-type(6) circle, .viz-node:nth-of-type(6) text { transition-delay: 1.15s; }
.viz-node:nth-of-type(7) circle, .viz-node:nth-of-type(7) text { transition-delay: 1.4s; }
.viz-node-end circle, .viz-node-end text { transition-delay: 1.7s !important; }

.viz-node-end circle {
  fill: var(--color-accent-pink);
  stroke: var(--color-accent-pink);
}

.viz-node-end text { fill: #fff; }

.viz-journey-caption {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-6) 0 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.viz-caption-dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-accent-pink);
}

.viz-note {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0;
  padding-left: var(--space-4);
  border-left: 2px solid var(--viz-green);
}

@media (prefers-reduced-motion: reduce) {
  .viz-trail-path { transition: none; stroke-dashoffset: 0; }
  .viz-node circle { transition: none; opacity: 1; transform: scale(1); }
  .viz-node text { transition: none; opacity: 1; }
}

/* Options table - design decision tradeoffs */
.options-table {
  margin: var(--space-8) 0 var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.option-row {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1.3fr;
  gap: var(--space-6);
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-base);
  line-height: 1.5;
  align-items: baseline;
}

.option-row:last-child {
  border-bottom: none;
}

.option-head {
  background: var(--color-accent-muted);
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
}

.option-row span:first-child {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.option-row:not(.option-head) span:not(:first-child) {
  color: var(--color-text-secondary);
}

.option-chosen {
  background: #eef4f0;
  position: relative;
}

.option-chosen span:first-child {
  color: #1a3a2a;
}

.option-chosen span:first-child::after {
  content: "Chosen";
  display: inline-block;
  margin-left: var(--space-2);
  font-size: 0.5625rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #ffffff;
  background: #1a3a2a;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  vertical-align: middle;
}

/* Photo grid */
.photo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.photo-grid figure {
  margin: 0;
}

.photo-grid img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  object-position: center 60%;
  border-radius: var(--radius-lg);
  border: 1px solid #ebebeb;
}

.photo-grid figcaption {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

/* Needs/Business grid */
.needs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin: var(--space-6) 0;
}

.need-item {
  padding: var(--space-5);
  background: var(--color-background-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.need-item label {
  display: block;
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.need-item p {
  font-size: var(--font-size-base);
  line-height: 1.5;
  max-width: none;
  margin-bottom: 0;
}

/* Impact hero — the one number that proves the thesis */
.impact-hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-10);
  align-items: center;
  background: var(--color-forest);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  margin: var(--space-8) 0 var(--space-6);
}

.impact-hero-number {
  font-family: var(--font-family-heading);
  font-size: clamp(3.5rem, 9vw, 5.5rem);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  letter-spacing: -0.03em;
  color: #fff;
}

.impact-hero-label {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
  max-width: none;
}

.impact-hero-desc {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
  max-width: 46ch;
  margin-bottom: 0;
}

/* Metrics row */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-6);
  margin: var(--space-6) 0 var(--space-8);
}

.metric {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  background: var(--color-background-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.metric-number {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #1a3a2a;
}

.metric-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

/* Learnings grid */
.learnings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 1fr;
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.learning-card {
  padding: var(--space-6);
  background: var(--color-background-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
}

.learning-card h4 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
  text-wrap: balance;
}

.learning-card p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: none;
  margin-bottom: 0;
  text-wrap: pretty;
}

/* Goals list (used in overview) */
.goals-list {
  list-style: decimal;
  padding-left: var(--space-5);
  margin: var(--space-6) 0;
}

.goals-list li {
  font-size: var(--font-size-base);
  line-height: 1.6;
  margin-bottom: var(--space-3);
  padding-left: var(--space-2);
}

/* Case Study Label */
.case-study-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}

/* Next case study */
.next-case-study {
  padding: var(--space-12) 0;
  border-top: 1px solid var(--color-border);
}

.next-case-study .case-study-label {
  margin-bottom: var(--space-2);
}

.next-case-study a {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  transition: opacity 0.15s ease;
}

.next-case-study a:hover {
  opacity: 0.6;
}

/* Strengths */
.strengths {
  padding: var(--space-12) 0;
  border-top: 1px solid var(--color-border);
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.strength-card {
  padding: var(--space-6);
  background: var(--color-background-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.strength-card h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.strength-card p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  text-wrap: pretty;
  widows: 2;
  orphans: 2;
}

/* Manifesto — design belief statement */
.manifesto {
  padding: var(--space-24) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.manifesto-eyebrow {
  margin-bottom: var(--space-6);
}

.manifesto-heading {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-semibold);
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--color-text-primary);
  max-width: 720px;
  margin: 0 auto var(--space-8);
  text-wrap: balance;
}

.manifesto-heading .op {
  font-weight: var(--font-weight-normal);
  color: var(--color-text-disabled);
}

.manifesto-lead {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  color: var(--color-text-primary);
  max-width: 620px;
  margin: 0 auto var(--space-6);
  text-wrap: balance;
}

.manifesto-body {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
  text-wrap: balance;
}

.manifesto-lead em {
  font-style: italic;
  color: var(--color-accent-pink);
}

/* Principles - dark note card */
.principles {
  padding: var(--space-12) 0;
}

.note-card {
  background: #16241c;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.16);
}

.note-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.note-dots {
  display: flex;
  gap: 6px;
}

.note-dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.note-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.02em;
}

.note-body {
  padding: var(--space-10) var(--space-12) var(--space-8);
}

.note-intro {
  font-size: var(--font-size-lg);
  color: #a8d5ba;
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-medium);
}

.note-list {
  list-style: none;
  counter-reset: note;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8) var(--space-12);
}

.note-list li {
  counter-increment: note;
  position: relative;
  padding-left: var(--space-8);
}

.note-list li::before {
  content: counter(note, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-family-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: #6f9e82;
}

.note-list h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: #ffffff;
  margin-bottom: var(--space-2);
  text-wrap: balance;
}

.note-list p {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.6;
  text-wrap: pretty;
  widows: 2;
  orphans: 2;
}

.note-sign {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--font-size-lg);
  color: #a8d5ba;
  font-style: italic;
}

/* Testimonials */
.testimonials {
  padding: var(--space-12) 0 var(--space-16);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-8);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: 1fr;
  gap: var(--space-6);
}

.testimonial {
  padding: var(--space-6);
  background: var(--color-background-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial p {
  font-size: var(--font-size-base);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: var(--space-4);
  text-wrap: pretty;
}

.testimonial cite {
  font-style: normal;
  display: block;
}

.testimonial cite strong {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.testimonial cite span {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

.linkedin-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  background: #0A66C2;
  color: #ffffff;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  font-style: normal;
  text-decoration: none;
  vertical-align: middle;
  margin-left: var(--space-1);
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-5);
  }

  /* Filmstrip: tighter panel padding, but screens still float clear of the edges */
  .screen-strip-band {
    gap: var(--space-6);
    padding: var(--space-10) var(--space-8);
    scroll-padding: var(--space-8);
  }

  .screen-phone {
    width: 168px;
  }

  /* Nav */
  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4) 0;
  }

  .nav-links {
    gap: var(--space-4);
    flex-wrap: wrap;
  }

  /* Hero */
  .hero {
    padding: var(--space-8) 0 var(--space-8);
  }

  .hero-heading {
    font-size: var(--font-size-xl);
    max-width: 100%;
    line-height: 1.3;
  }

  .hero-body {
    font-size: var(--font-size-base);
  }

  /* Projects */
  .projects {
    padding: var(--space-8) 0 var(--space-12);
  }

  .project-card-full {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding: var(--space-6);
  }

  .project-card-image-wrap {
    order: -1;
  }

  .project-title {
    font-size: var(--font-size-xl);
  }

  .project-stats {
    gap: var(--space-4);
  }

  .stat-number {
    font-size: var(--font-size-xl);
  }

  /* Strengths */
  .strengths-grid {
    grid-template-columns: 1fr;
  }

  /* Manifesto */
  .manifesto {
    padding: var(--space-16) 0;
  }

  .manifesto-heading {
    font-size: var(--font-size-2xl);
  }

  .manifesto-lead {
    font-size: var(--font-size-lg);
  }

  .manifesto-body {
    font-size: var(--font-size-base);
  }

  /* Principles */
  .note-body {
    padding: var(--space-6) var(--space-5) var(--space-6);
  }

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

  /* Testimonials */
  .testimonials {
    padding: var(--space-8) 0 var(--space-12);
  }

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

  /* Case study */
  .screen-frame {
    padding: var(--space-5);
  }

  .flow-pair-band {
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
    padding: var(--space-5);
  }

  .flow-pair-band .device-web {
    flex: 0 0 auto;
    height: auto;
    width: 100%;
  }

  .flow-pair-band .device-mobile {
    flex: 0 0 auto;
    height: auto;
    width: 180px;
  }

  /* Carousel */
  .carousel-btn {
    opacity: 1;
    width: 38px;
    height: 38px;
  }

  .carousel-prev { left: var(--space-2); }
  .carousel-next { right: var(--space-2); }

  .carousel-footer {
    flex-direction: column;
    gap: var(--space-3);
  }

  .flow-strip-band {
    padding: var(--space-5);
  }

  .research-viz {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding: var(--space-6);
  }

  .viz-lead {
    font-size: var(--font-size-lg);
  }

  .viz-stats {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    text-align: left;
  }

  .viz-stat {
    flex-direction: row;
    align-items: baseline;
    gap: var(--space-3);
  }

  .viz-stat-num {
    font-size: var(--font-size-2xl);
    min-width: 2ch;
  }

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

  .option-head {
    display: none;
  }

  .option-row span:not(:first-child) {
    font-size: var(--font-size-sm);
  }

  .case-study-hero {
    padding: var(--space-8) 0 var(--space-6);
  }

  .case-study-hero h1 {
    font-size: var(--font-size-xl);
  }

  .case-study-hero-image img {
    max-height: 280px;
  }

  .section-nav {
    margin-bottom: var(--space-8);
  }

  .overview-section {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .overview-right {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-6);
  }

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

  .callout-aside {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-4);
  }

  .impact-hero {
    grid-template-columns: 1fr;
    gap: var(--space-5);
    padding: var(--space-8) var(--space-6);
  }

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

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

  .metrics-row {
    grid-template-columns: 1fr 1fr;
  }

  /* About */
  .skills-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .experience-list li {
    flex-direction: column;
    gap: var(--space-1);
  }

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

  /* Footer */
  .footer {
    flex-direction: column;
    gap: var(--space-3);
    align-items: flex-start;
  }

  /* Back to top */
  .back-to-top {
    right: var(--space-4);
    bottom: var(--space-4);
    width: 36px;
    height: 36px;
    font-size: var(--font-size-base);
  }

  /* Next case study */
  .next-case-study a {
    font-size: var(--font-size-lg);
  }
}