/* =============================================================================
   PEDRO SOUSA PORTFOLIO - STYLES
   ============================================================================= */

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

/* CSS Custom Properties */
:root {
  /* Colors - Accent */
  --color-accent: #FF7F81;
  --color-accent-hover: #E86E70;

  /* Colors - Background */
  --color-bg-primary: #000000;
  --color-bg-secondary: #18181B;
  --color-bg-tertiary: #27272A;
  --color-bg-footer: #0f0f0f;

  /* Colors - Text */
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #999999;
  --color-text-tertiary: #6B7280;
  --color-text-muted: #71717A;
  --color-text-dark: #3D3D3D;

  /* Colors - Border */
  --color-border: rgba(255, 255, 255, 0.2);
  --color-border-muted: #27272A;

  /* Typography */
  --font-family-sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;

  /* Spacing */
  --container-max-width: 1240px;
  --container-padding-mobile: 16px;
  --container-padding-desktop: 24px;

  /* Effects */
  --transition-fast: 150ms ease-out;
  --transition-normal: 300ms ease-out;
  --transition-slow: 500ms ease-out;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.3);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
}

/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-family-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

/* =============================================================================
   LAYOUT
   ============================================================================= */

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding-left: var(--container-padding-mobile);
  padding-right: var(--container-padding-mobile);
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--container-padding-desktop);
    padding-right: var(--container-padding-desktop);
  }
}

/* =============================================================================
   NAVIGATION
   ============================================================================= */

.nav {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(0, 0, 0, 0.8);
  transition: transform var(--transition-normal);
}

.nav--hidden {
  transform: translateY(-100%);
}

.nav--transparent {
  background: transparent;
  backdrop-filter: none;
}

.nav__inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--container-padding-mobile);
  height: 72px;
}

@media (min-width: 1024px) {
  .nav__inner {
    padding: 0 var(--container-padding-desktop);
  }
}

.nav__logo {
  position: relative;
  font-size: 1.125rem;
  overflow: hidden;
  display: inline-block;
  height: 1.75rem;
}

.nav__logo-text {
  display: block;
  transition: transform var(--transition-normal);
}

.nav__logo:hover .nav__logo-text {
  transform: translateY(-100%);
}

.nav__logo-text--hover {
  position: absolute;
  top: 0;
  transform: translateY(100%);
  color: var(--color-text-secondary);
}

.nav__logo:hover .nav__logo-text--hover {
  transform: translateY(0);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav__link {
  position: relative;
  font-size: 1.125rem;
  overflow: hidden;
  display: inline-block;
  height: 1.75rem;
}

.nav__link-text {
  display: block;
  transition: transform var(--transition-normal);
}

.nav__link:hover .nav__link-text {
  transform: translateY(-100%);
}

.nav__link-text--hover {
  position: absolute;
  top: 0;
  transform: translateY(100%);
  color: var(--color-text-secondary);
}

.nav__link:hover .nav__link-text--hover {
  transform: translateY(0);
}

.nav__link--active .nav__link-text {
  color: var(--color-text-secondary);
}

/* =============================================================================
   HERO SECTION
   ============================================================================= */

.hero {
  padding-top: 80px;
  padding-bottom: 48px;
}

@media (min-width: 1024px) {
  .hero {
    padding-top: 120px;
    padding-bottom: 48px;
  }
}

.hero__content {
  margin-bottom: 48px;
}

.hero__title {
  font-size: 28px;
  line-height: 1.2;
  font-weight: 400;
  margin-bottom: 32px;
  max-width: 620px;
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: 32px;
    margin-bottom: 40px;
  }
}

@media (min-width: 1280px) {
  .hero__title {
    font-size: 37px;
  }
}

@media (min-width: 1536px) {
  .hero__title {
    font-size: 41px;
  }
}

.hero__title-accent {
  color: var(--color-accent);
  font-style: italic;
}

.hero__subtitle {
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin-bottom: 32px;
  max-width: 620px;
}

@media (min-width: 1024px) {
  .hero__subtitle {
    font-size: 1.125rem;
    margin-bottom: 40px;
  }
}

.hero__link {
  position: relative;
  color: var(--color-text-primary);
  display: inline-block;
  overflow: hidden;
  height: 1.2em;
  vertical-align: baseline;
}

.hero__link-text {
  display: block;
  transition: transform var(--transition-normal);
}

.hero__link:hover .hero__link-text {
  transform: translateY(-100%);
}

.hero__link-text--hover {
  position: absolute;
  top: 0;
  transform: translateY(100%);
  color: var(--color-accent);
}

.hero__link:hover .hero__link-text--hover {
  transform: translateY(0);
}

.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero__image {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  aspect-ratio: 1240 / 697;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  transform-style: preserve-3d;
  box-shadow: var(--shadow-md);
}

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

/* =============================================================================
   BUTTONS
   ============================================================================= */

.btn {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  border-radius: var(--radius-full);
  transition: transform var(--transition-normal), background-color 0.2s, border-color 0.2s, color 0.2s;
}

@media (min-width: 1024px) {
  .btn {
    padding: 9px 18px;
    font-size: 16px;
  }
}

.btn--primary {
  background: var(--color-accent);
  color: #000;
}

.btn--primary:hover {
  background: var(--color-accent-hover);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--active {
  background: var(--color-accent);
  color: #000;
  border-color: var(--color-accent);
}

.btn--active:hover {
  background: var(--color-accent-hover);
}

/* =============================================================================
   INTRO SECTION
   ============================================================================= */

.intro {
  padding: 48px 0;
}

@media (min-width: 1024px) {
  .intro {
    padding: 64px 0;
  }
}

.intro__text {
  font-size: 28px;
  line-height: 1.2;
  font-weight: 400;
  max-width: 820px;
}

@media (min-width: 1024px) {
  .intro__text {
    font-size: 32px;
  }
}

@media (min-width: 1280px) {
  .intro__text {
    font-size: 37px;
  }
}

@media (min-width: 1536px) {
  .intro__text {
    font-size: 41px;
  }
}

/* =============================================================================
   SECTION HEADER
   ============================================================================= */

.section {
  padding: 48px 0;
}

@media (min-width: 1024px) {
  .section {
    padding: 64px 0;
  }
}

.section__title {
  font-size: 28px;
  line-height: 1.2;
  font-weight: 400;
  margin-bottom: 32px;
}

@media (min-width: 1024px) {
  .section__title {
    font-size: 32px;
    margin-bottom: 48px;
  }
}

@media (min-width: 1280px) {
  .section__title {
    font-size: 37px;
  }
}

@media (min-width: 1536px) {
  .section__title {
    font-size: 41px;
  }
}

.section__label {
  font-size: 12px;
  color: var(--color-text-tertiary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 24px;
  display: block;
}

/* =============================================================================
   CASE STUDIES GRID
   ============================================================================= */

.case-studies-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 1024px) {
  .case-studies-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 32px;
  }

  .case-studies-grid--home {
    gap: 58px 32px;
  }
}

.case-study-card {
  display: block;
}

.case-study-card__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 14px;
  aspect-ratio: 608 / 350;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  transform-style: preserve-3d;
  box-shadow: var(--shadow-md);
  background: var(--color-bg-secondary);
  position: relative;
}

.case-study-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-study-card__title {
  font-size: 22px;
  line-height: 1.2;
  font-weight: 400;
  margin-bottom: 1px;
}

@media (min-width: 1024px) {
  .case-study-card__title {
    font-size: 24px;
  }
}

@media (min-width: 1280px) {
  .case-study-card__title {
    font-size: 27px;
  }
}

@media (min-width: 1536px) {
  .case-study-card__title {
    font-size: 30px;
  }
}

.case-study-card__description {
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

@media (min-width: 1024px) {
  .case-study-card__description {
    font-size: 16px;
  }
}

/* =============================================================================
   WORK PAGE GRID (3 COLUMNS)
   ============================================================================= */

.work-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 768px) {
  .work-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 24px;
  }
}

@media (min-width: 1024px) {
  .work-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 56px 24px;
  }
}

.work-card {
  display: block;
}

.work-card__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 14px;
  aspect-ratio: 3 / 4;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  transform-style: preserve-3d;
  box-shadow: var(--shadow-md);
  background: var(--color-bg-secondary);
  position: relative;
}

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

.work-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--color-text-tertiary);
  margin-bottom: 8px;
}

.work-card__meta-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-text-tertiary);
}

.work-card__title {
  font-size: 22px;
  line-height: 1.2;
  font-weight: 400;
  margin-bottom: 1px;
}

@media (min-width: 1024px) {
  .work-card__title {
    font-size: 24px;
  }
}

@media (min-width: 1280px) {
  .work-card__title {
    font-size: 27px;
  }
}

@media (min-width: 1536px) {
  .work-card__title {
    font-size: 30px;
  }
}

.work-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.work-card__tag {
  padding: 4px 12px;
  font-size: 12px;
  border-radius: var(--radius-full);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-muted);
}

.work-card__description {
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .work-card__description {
    font-size: 16px;
  }
}

/* =============================================================================
   TIMELINE LIST
   ============================================================================= */

.timeline-list {
  border-top: 1px solid var(--color-border-muted);
}

.timeline-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border-muted);
  transition: background-color var(--transition-normal), padding var(--transition-normal);
  cursor: pointer;
}

@media (min-width: 1024px) {
  .timeline-item {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 32px 0;
    gap: 0;
  }
}

.timeline-item:hover {
  background: rgba(39, 39, 42, 0.2);
  padding-left: 16px;
  padding-right: 16px;
}

.timeline-item__title {
  font-size: 18px;
  color: var(--color-text-primary);
  transition: color var(--transition-normal);
}

@media (min-width: 1024px) {
  .timeline-item__title {
    font-size: 20px;
  }
}

@media (min-width: 1280px) {
  .timeline-item__title {
    font-size: 24px;
  }
}

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

.timeline-item__date {
  font-size: 16px;
  color: var(--color-text-tertiary);
  transition: color var(--transition-normal);
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .timeline-item__date {
    font-size: 18px;
  }
}

.timeline-item:hover .timeline-item__date {
  color: var(--color-text-secondary);
}

/* =============================================================================
   FOOTER
   ============================================================================= */

.footer {
  position: relative;
  background: var(--color-bg-footer);
  color: var(--color-text-primary);
  overflow: hidden;
  min-height: 100vh;
}

.footer__inner {
  position: sticky;
  top: 0;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  background: var(--color-bg-footer);
  transform-origin: center top;
  transition: transform 0.1s ease-out, opacity 0.1s ease-out, border-radius 0.1s ease-out;
}

.footer__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px 24px;
}

@media (min-width: 1024px) {
  .footer__content {
    padding: 96px 48px;
  }
}

.footer__name {
  font-size: 15vw;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  -webkit-text-stroke: 1px rgba(212, 212, 212, 0.3);
  -webkit-text-fill-color: transparent;
}

@media (min-width: 1024px) {
  .footer__name {
    font-size: 12vw;
  }
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 64px;
    margin-bottom: 96px;
  }
}

.footer__cta-title {
  font-size: 24px;
  font-weight: 400;
  margin-bottom: 24px;
  line-height: 1.3;
}

@media (min-width: 1024px) {
  .footer__cta-title {
    font-size: 30px;
  }
}

.footer__cta-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

.footer__cta-button:hover {
  background: var(--color-text-primary);
  color: var(--color-bg-primary);
}

.footer__cta-button svg {
  transition: transform var(--transition-normal);
}

.footer__cta-button:hover svg {
  transform: translateX(4px);
}

.footer__label {
  font-size: 14px;
  color: var(--color-text-tertiary);
  margin-bottom: 16px;
}

.footer__email {
  font-size: 24px;
  font-weight: 400;
  transition: color var(--transition-normal);
}

@media (min-width: 1024px) {
  .footer__email {
    font-size: 30px;
  }
}

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

.footer__social-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__social-link {
  color: var(--color-text-primary);
  transition: color var(--transition-normal);
}

.footer__social-link:hover {
  color: var(--color-accent);
}

/* =============================================================================
   PLAY PAGE
   ============================================================================= */

.play-header {
  margin-bottom: 48px;
}

@media (min-width: 1024px) {
  .play-header {
    margin-bottom: 64px;
  }
}

.play-header__intro {
  font-size: 28px;
  line-height: 1.2;
  font-weight: 400;
  max-width: 820px;
}

@media (min-width: 1024px) {
  .play-header__intro {
    font-size: 32px;
  }
}

@media (min-width: 1280px) {
  .play-header__intro {
    font-size: 37px;
  }
}

@media (min-width: 1536px) {
  .play-header__intro {
    font-size: 41px;
  }
}

.play-header__accent {
  color: var(--color-accent);
}

.play-list {
  padding-bottom: 160px;
}

@media (min-width: 1024px) {
  .play-list {
    padding-bottom: 400px;
  }
}

.play-item {
  display: block;
  padding: 16px 0;
  transform-origin: left center;
  transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1), opacity 0.6s ease-out;
}

@media (min-width: 1024px) {
  .play-item {
    padding: 32px 0;
  }
}

.play-item__inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 1024px) {
  .play-item__inner {
    flex-direction: row;
    justify-content: space-between;
    gap: 32px;
  }
}

.play-item__content {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
}

.play-item__year {
  font-size: 16px;
  font-weight: 300;
  color: var(--color-text-dark);
  margin-bottom: 8px;
}

@media (min-width: 1024px) {
  .play-item__year {
    font-size: 18px;
    margin-bottom: 16px;
  }
}

.play-item__title {
  font-size: 48px;
  line-height: 0.9;
  font-weight: 300;
  white-space: nowrap;
}

@media (min-width: 1024px) {
  .play-item__title {
    font-size: 7.2vw;
  }
}

.play-item__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .play-item__meta {
    padding-top: 68px;
  }
}

.play-item__description,
.play-item__number {
  font-size: 18px;
  font-weight: 300;
  color: var(--color-text-dark);
  white-space: nowrap;
  transition: opacity var(--transition-slow);
}

@media (min-width: 1024px) {
  .play-item__description,
  .play-item__number {
    font-size: 20px;
    opacity: 0;
  }
}

@media (min-width: 1280px) {
  .play-item__description,
  .play-item__number {
    font-size: 24px;
  }
}

@media (min-width: 1536px) {
  .play-item__description,
  .play-item__number {
    font-size: 30px;
  }
}

.play-item__number {
  margin-top: 4px;
}

@media (min-width: 1024px) {
  .play-item__number {
    margin-top: 8px;
  }
}

.play-item--active .play-item__description,
.play-item--active .play-item__number,
.play-item:hover .play-item__description,
.play-item:hover .play-item__number {
  opacity: 1;
}

/* Viewport border effect for play page */
.play-border {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  border: 50px solid transparent;
  transition: border-color 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

/* =============================================================================
   WRITE PAGE
   ============================================================================= */

.write-featured {
  position: relative;
  width: 100%;
  height: 70vh;
  background: var(--color-bg-secondary);
  display: block;
}

.write-featured__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.4), transparent);
  padding-bottom: 48px;
}

@media (min-width: 1024px) {
  .write-featured__overlay {
    padding-bottom: 64px;
  }
}

.write-featured__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.write-featured__date,
.write-featured__read-time {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.write-featured__title {
  font-size: 48px;
  font-weight: 300;
  margin-bottom: 24px;
  max-width: 900px;
  transition: color var(--transition-normal);
}

@media (min-width: 1024px) {
  .write-featured__title {
    font-size: 72px;
  }
}

.write-featured:hover .write-featured__title {
  color: rgba(255, 255, 255, 0.7);
}

.write-featured__excerpt {
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  max-width: 700px;
}

@media (min-width: 1024px) {
  .write-featured__excerpt {
    font-size: 20px;
  }
}

.write-featured__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.write-featured__tag {
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  backdrop-filter: blur(4px);
}

.write-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 64px 0;
}

@media (min-width: 768px) {
  .write-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
  }
}

@media (min-width: 1024px) {
  .write-grid {
    grid-template-columns: repeat(3, 1fr);
    padding: 96px 0;
  }
}

.write-card {
  display: block;
}

.write-card__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
  aspect-ratio: 3 / 4;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  transform-style: preserve-3d;
  box-shadow: var(--shadow-md);
  background: var(--color-bg-secondary);
}

.write-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.write-card__date,
.write-card__read-time {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.write-card__title {
  font-size: 24px;
  font-weight: 300;
  margin-bottom: 16px;
  transition: color var(--transition-normal);
}

@media (min-width: 1024px) {
  .write-card__title {
    font-size: 30px;
  }
}

.write-card:hover .write-card__title {
  color: rgba(255, 255, 255, 0.7);
}

.write-card__excerpt {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.write-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.write-card__tag {
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
}

/* =============================================================================
   LAB PAGE
   ============================================================================= */

.lab-card {
  display: block;
  margin-bottom: 48px;
}

@media (min-width: 1024px) {
  .lab-card {
    margin-bottom: 0;
  }
}

.lab-card__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
  aspect-ratio: 16 / 9;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  transform-style: preserve-3d;
  box-shadow: var(--shadow-md);
  background: var(--color-bg-secondary);
  position: relative;
}

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

.lab-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--color-text-tertiary);
  margin-bottom: 8px;
}

.lab-card__meta-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-text-tertiary);
}

.lab-card__title {
  font-size: 22px;
  line-height: 1.2;
  font-weight: 400;
  margin-bottom: 8px;
  transition: color var(--transition-normal);
}

@media (min-width: 1024px) {
  .lab-card__title {
    font-size: 26px;
  }
}

@media (min-width: 1280px) {
  .lab-card__title {
    font-size: 30px;
  }
}

.lab-card:hover .lab-card__title {
  color: var(--color-accent);
}

.lab-card__description {
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  max-width: 820px;
}

@media (min-width: 1024px) {
  .lab-card__description {
    font-size: 16px;
  }
}

.lab-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.lab-card__tag {
  padding: 4px 12px;
  font-size: 12px;
  border-radius: var(--radius-full);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-muted);
}

/* =============================================================================
   CASE STUDY PAGE
   ============================================================================= */

.case-study {
  padding-top: 96px;
  padding-bottom: 48px;
}

@media (min-width: 1024px) {
  .case-study {
    padding-top: 128px;
    padding-bottom: 64px;
  }
}

.case-study__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  transition: color var(--transition-normal);
}

.case-study__back:hover {
  color: var(--color-accent);
}

.case-study__back svg {
  transition: transform var(--transition-normal);
}

.case-study__back:hover svg {
  transform: translateX(-4px);
}

.case-study__title {
  font-size: 40px;
  line-height: 1.1;
  font-weight: 400;
  margin-bottom: 24px;
}

@media (min-width: 1024px) {
  .case-study__title {
    font-size: 48px;
  }
}

@media (min-width: 1280px) {
  .case-study__title {
    font-size: 56px;
  }
}

@media (min-width: 1536px) {
  .case-study__title {
    font-size: 64px;
  }
}

.case-study__description {
  font-size: 20px;
  color: var(--color-text-secondary);
  max-width: 800px;
  margin-bottom: 48px;
}

@media (min-width: 1024px) {
  .case-study__description {
    font-size: 24px;
  }
}

.case-study__details {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--color-border-muted);
  border-bottom: 1px solid var(--color-border-muted);
}

@media (min-width: 768px) {
  .case-study__details {
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
  }
}

.case-study__detail-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  margin-bottom: 8px;
}

.case-study__detail-value {
  font-size: 18px;
}

/* Case Study Content Blocks */
.case-study-section {
  padding: 16px 0;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

@media (min-width: 1024px) {
  .case-study-section {
    padding: 24px 0;
  }
}

.case-study-section--visible {
  opacity: 1;
  transform: translateY(0);
}

.case-study-section--text {
  padding: 48px 0;
}

@media (min-width: 1024px) {
  .case-study-section--text {
    padding: 80px 0;
  }
}

.case-study-section--quote {
  padding: 64px 0;
}

@media (min-width: 1024px) {
  .case-study-section--quote {
    padding: 96px 0;
  }
}

.case-study__image {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--color-bg-secondary);
  position: relative;
}

.case-study__image--video {
  aspect-ratio: 16 / 9;
}

.case-study__image--wide {
  aspect-ratio: 16 / 10;
}

.case-study__image--square {
  aspect-ratio: 1 / 1;
}

.case-study__image--portrait {
  aspect-ratio: 4 / 5;
}

.case-study__image--ultrawide {
  aspect-ratio: 21 / 9;
}

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

.case-study__image-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .case-study__image-grid {
    gap: 24px;
  }

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

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

.case-study__image-grid-item {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--color-bg-secondary);
  position: relative;
}

.case-study__image-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-study__text-section {
  max-width: 900px;
}

.case-study__text-section--two-column {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 1024px) {
  .case-study__text-section--two-column {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
  }
}

.case-study__heading {
  font-size: 28px;
  line-height: 1.2;
  font-weight: 400;
  margin-bottom: 24px;
}

@media (min-width: 1024px) {
  .case-study__heading {
    font-size: 36px;
    margin-bottom: 0;
  }

  .case-study__text-section:not(.case-study__text-section--two-column) .case-study__heading {
    margin-bottom: 24px;
  }
}

.case-study__paragraph {
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

@media (min-width: 1024px) {
  .case-study__paragraph {
    font-size: 20px;
  }
}

.case-study__paragraph:last-child {
  margin-bottom: 0;
}

.case-study__quote {
  font-size: 24px;
  line-height: 1.3;
  font-weight: 400;
  margin-bottom: 24px;
  max-width: 900px;
}

@media (min-width: 1024px) {
  .case-study__quote {
    font-size: 32px;
  }
}

@media (min-width: 1280px) {
  .case-study__quote {
    font-size: 40px;
  }
}

.case-study__quote-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-primary);
  margin-top: 16px;
  transition: color var(--transition-normal);
}

.case-study__quote-link:hover {
  color: var(--color-accent);
}

.case-study__quote-link svg {
  transition: transform var(--transition-normal);
}

.case-study__quote-link:hover svg {
  transform: translateX(4px);
}

.case-study__divider {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--color-border-muted);
  border-bottom: 1px solid var(--color-border-muted);
}

.case-study__divider-label {
  font-size: 14px;
  color: var(--color-text-tertiary);
  margin-bottom: 4px;
}

.case-study__divider-value {
  color: var(--color-text-primary);
}

.case-study__feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.case-study__feature {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-muted);
}

.case-study__feature-emoji {
  font-size: 16px;
}

.case-study__feature-label {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.case-study__split-images {
  display: grid;
  grid-template-columns: 1fr;
  width: 100%;
}

@media (min-width: 768px) {
  .case-study__split-images {
    grid-template-columns: repeat(2, 1fr);
  }
}

.case-study__split-image {
  aspect-ratio: 1 / 1;
  background: var(--color-bg-secondary);
  position: relative;
}

.case-study__split-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-study__next {
  border-top: 1px solid var(--color-border-muted);
  padding-top: 48px;
  margin-top: 64px;
}

@media (min-width: 1024px) {
  .case-study__next {
    margin-top: 96px;
  }
}

.case-study__next-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  margin-bottom: 16px;
}

.case-study__next-title {
  font-size: 32px;
  line-height: 1.2;
  font-weight: 400;
  margin-bottom: 12px;
  transition: color var(--transition-normal);
}

@media (min-width: 1024px) {
  .case-study__next-title {
    font-size: 40px;
  }
}

.case-study__next-link:hover .case-study__next-title {
  color: var(--color-accent);
}

.case-study__next-description {
  font-size: 18px;
  color: var(--color-text-secondary);
  transition: color var(--transition-normal);
}

.case-study__next-link:hover .case-study__next-description {
  color: var(--color-text-secondary);
}

/* =============================================================================
   DOT NAVIGATION
   ============================================================================= */

.dot-nav {
  position: fixed;
  left: 30px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: none;
}

@media (min-width: 1024px) {
  .dot-nav {
    display: block;
  }
}

.dot-nav__list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.dot-nav__item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
  margin: -12px;
  background: none;
  border: none;
  cursor: pointer;
}

.dot-nav__dot {
  position: relative;
  z-index: 10;
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transition: all 0.3s ease-out;
}

.dot-nav__item:hover .dot-nav__dot {
  transform: scale(1.5);
  background: rgba(255, 255, 255, 0.6);
}

.dot-nav__item--active .dot-nav__dot {
  width: 10px;
  height: 10px;
  background: var(--color-accent);
}

.dot-nav__label {
  font-size: 14px;
  white-space: nowrap;
  color: #1f1f1f;
  transition: color 0.3s ease-out;
}

.dot-nav__item:hover .dot-nav__label {
  color: var(--color-text-tertiary);
}

.dot-nav__item--active .dot-nav__label {
  color: var(--color-text-tertiary);
}

/* Scale dots based on distance from active (set via JS) */
.dot-nav__item[data-scale="0.6"] .dot-nav__dot {
  width: 2.4px;
  height: 2.4px;
}

.dot-nav__item[data-scale="0.4"] .dot-nav__dot {
  width: 1.6px;
  height: 1.6px;
}

.dot-nav__item[data-scale="0.3"] .dot-nav__dot {
  width: 1.2px;
  height: 1.2px;
}

/* =============================================================================
   ANIMATIONS
   ============================================================================= */

.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================================================
   UTILITIES
   ============================================================================= */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mb-10 { margin-bottom: 40px; }
.mb-12 { margin-bottom: 48px; }

.pt-20 { padding-top: 80px; }
.pb-20 { padding-bottom: 80px; }
.pb-24 { padding-bottom: 96px; }
.pb-32 { padding-bottom: 128px; }

@media (min-width: 1024px) {
  .lg\:pt-32 { padding-top: 128px; }
  .lg\:pb-32 { padding-bottom: 128px; }
}