/* ========================================
   Nav
   ======================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  backdrop-filter: blur(var(--nav-blur));
  -webkit-backdrop-filter: blur(var(--nav-blur));
  mask-image: linear-gradient(to bottom, black 0%, black 55%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 55%, transparent 100%);
}

.bottom-blur {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  height: var(--bottom-blur-height);
  pointer-events: none;
  background: var(--color-scrim);
  backdrop-filter: blur(var(--bottom-blur-amount));
  -webkit-backdrop-filter: blur(var(--bottom-blur-amount));
  mask-image: linear-gradient(to top, black 0%, transparent 100%);
  -webkit-mask-image: linear-gradient(to top, black 0%, transparent 100%);
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo,
.nav-link {
  font-size: var(--text-nav-size);
  font-weight: var(--weight-medium);
  letter-spacing: var(--text-nav-letter-spacing);
  text-transform: uppercase;
}

.nav-link {
  transition: opacity 0.15s ease;
}

.nav-link:hover {
  opacity: 0.6;
}

/* ========================================
   Hero
   ======================================== */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: var(--space-3xl);
  padding-bottom: calc(var(--space-3xl) + var(--bottom-blur-height));
}

@media (min-width: 768px) {
  .hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-4xl);
  }
}

.hero-headline {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-lg);
  font-size: var(--text-hero-size);
  line-height: var(--text-hero-line-height);
}

@media (min-width: 768px) {
  .hero-headline {
    flex: none;
    justify-content: flex-start;
    gap: var(--space-xl);
  }
}

.hero-line--sans {
  font-family: var(--font-sans);
  font-weight: var(--weight-regular);
}

.hero-line--serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: var(--weight-semibold);
}

.hero-line--1 { margin-left: 0; }
.hero-line--2 { margin-left: 0; }

.hero-word {
  display: inline-block;
  transition: opacity 0.4s ease;
}

.hero-word--hidden {
  opacity: 0;
}

@media (prefers-reduced-motion: reduce) {
  .hero-word {
    transition: none;
  }
}

/* ========================================
   Intro
   ======================================== */

.intro-text {
  font-family: var(--font-serif);
  font-weight: var(--weight-semibold);
  font-style: italic;
  font-size: var(--text-intro-size);
  line-height: var(--text-intro-line-height);
  text-align: left;
  max-width: 640px;
}

.intro-text + .intro-text {
  margin-top: var(--space-md);
}

.intro-text--sans {
  font-family: var(--font-sans);
  font-weight: var(--weight-regular);
  font-style: normal;
  font-size: 24px;
  line-height: 1.4;
}

.intro-text--serif {
  font-size: 32px;
  line-height: calc(var(--text-intro-size) * var(--text-intro-line-height));
  font-style: normal;
  font-weight: var(--weight-medium);
}

.btn-text {
  display: inline-block;
  margin-top: var(--space-xl);
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
  font-size: var(--text-body-size);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: opacity 0.15s ease;
}

.btn-text:hover {
  opacity: 0.6;
}

@media (min-width: 768px) {
  .intro {
    min-height: 100vh;
    display: flex;
    align-items: center;
  }

  .intro-text {
    max-width: none;
  }

  .intro-text--sans {
    font-size: 36px;
  }

  .intro-text--serif {
    font-size: calc(var(--text-intro-size) * 1.15);
  }
}

/* ========================================
   Case Studies
   ======================================== */

.section-heading {
  font-family: var(--font-serif);
  font-weight: var(--weight-medium);
  font-size: calc(var(--text-intro-size) * 1.5);
  line-height: var(--text-intro-line-height);
}

.case-study-grid {
  margin-top: var(--space-2xl);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 768px) {
  .case-study-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.case-study-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--color-card-border);
  background: none;
  padding: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.case-study-card:hover {
  transform: scale(1.05);
  border-color: rgba(255, 255, 255, 0.5);
}

@media (min-width: 768px) {
  .case-study-card {
    flex-direction: row;
    align-items: stretch;
  }
}

.case-study-media {
  position: relative;
  flex-shrink: 0;
  aspect-ratio: 3 / 2;
  background: var(--color-text-primary);
}

@media (min-width: 768px) {
  .case-study-media {
    width: 35%;
  }
}

@supports not (aspect-ratio: 1 / 1) {
  .case-study-media {
    height: 0;
    padding-top: 66.667%;
  }
}

.case-study-media-gif {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.case-study-body {
  flex: 1;
  padding: var(--space-lg);
}

@media (min-width: 768px) {
  .case-study-body {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

.case-study-logo {
  width: 76px;
  height: auto;
  margin-bottom: var(--space-md);
}

.case-study-title {
  font-family: var(--font-sans);
  font-weight: var(--weight-bold);
  font-size: var(--text-card-title-size);
  line-height: var(--text-card-title-line-height);
  color: #FFFFFF;
  margin-bottom: var(--space-sm);
}

.case-study-meta {
  font-family: var(--font-mono);
  font-size: var(--text-mono-size);
  line-height: var(--text-mono-line-height);
  color: rgba(255, 255, 255, 0.5);
}

.case-study-note {
  margin-top: var(--space-2xl);
  font-family: var(--font-sans);
  font-size: var(--text-body-size);
  color: var(--color-text-secondary);
}

/* ========================================
   Footer
   ======================================== */

.site-footer {
  display: grid;
  gap: var(--space-xl);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  grid-template-areas:
    "time"
    "links"
    "copyright"
    "wordmark";
}

@media (min-width: 768px) {
  .site-footer {
    grid-template-columns: 1fr auto;
    align-items: end;
    grid-template-areas:
      "time      time"
      "wordmark  links"
      "copyright copyright";
  }
}

.footer-time {
  grid-area: time;
  justify-self: end;
  font-family: var(--font-sans);
  font-size: var(--text-nav-size);
  line-height: var(--text-nav-line-height);
  letter-spacing: var(--text-nav-letter-spacing);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.footer-wordmark {
  grid-area: wordmark;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  font-size: var(--text-hero-size);
  line-height: 0.9;
  margin-bottom: calc(-1 * var(--space-lg));
}

@media (min-width: 768px) {
  .footer-wordmark {
    font-size: calc(var(--text-hero-size) * 1.4);
    margin-bottom: 0;
  }
}

.footer-links {
  grid-area: links;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  text-align: right;
}

.footer-link {
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
  font-size: var(--text-card-title-size);
  transition: opacity 0.15s ease;
}

.footer-link:hover {
  opacity: 0.6;
}

.footer-copyright {
  grid-area: copyright;
  font-family: var(--font-mono);
  font-size: var(--text-mono-size);
  color: var(--color-caption);
}

/* ========================================
   Custom cursor
   ======================================== */

.cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #FFFFFF;
  mix-blend-mode: difference;
  pointer-events: none;
  opacity: 0;
  z-index: 400;
}

/* ========================================
   Case study modal
   ======================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: var(--color-modal-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  position: relative;
  width: 100%;
  max-width: var(--container-max);
  height: 88vh;
  background: var(--color-background);
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  overflow: hidden;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.modal-overlay.is-open .modal {
  transform: translateY(0);
}

@media (min-width: 768px) {
  .modal-overlay {
    align-items: center;
  }

  .modal {
    width: calc(100% - (var(--container-padding) * 2));
    border-radius: var(--radius-card);
    transform: translateY(0) scale(0.96);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  .modal-overlay.is-open .modal {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 10;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: var(--color-modal-overlay);
  color: #FFFFFF;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.modal-scroll {
  height: 100%;
  overflow-y: auto;
}

.modal-hero {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--color-modal-hero-bg);
}

@media (min-width: 768px) {
  .modal-hero {
    aspect-ratio: 2 / 1;
  }
}

.modal-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  padding: var(--space-lg);
  object-fit: contain;
  object-position: center;
}

@media (min-width: 768px) {
  .modal-hero-img {
    padding: var(--space-sm);
  }
}

.modal-hero-img--fill {
  padding: 0;
  object-fit: cover;
  object-position: center bottom;
}

@media (min-width: 768px) {
  .modal-hero-img--fill {
    padding: 0;
  }
}

.modal-body {
  padding: var(--space-lg);
  background: var(--color-modal-body-bg);
}

@media (min-width: 768px) {
  .modal-body {
    padding: var(--space-2xl);
  }
}

.modal-category-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
}

@media (min-width: 768px) {
  .modal-category-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.modal-category {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-top: 1px solid var(--color-card-border);
}

.modal-category:first-child {
  border-top: none;
  padding-top: 0;
}

.modal-category-label {
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  font-size: var(--text-mono-size);
  letter-spacing: var(--text-nav-letter-spacing);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.modal-title {
  font-size: calc(var(--text-intro-size) * 1.3);
  margin-bottom: var(--space-xl);
}

.modal-category-text {
  font-family: var(--font-sans);
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  color: #FFFFFF;
}

.modal-category-text + .modal-list,
.modal-category-label + .modal-list {
  margin-top: var(--space-sm);
}

.modal-list {
  margin: 0;
  padding-left: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.modal-list li {
  font-family: var(--font-sans);
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  color: #FFFFFF;
}

.modal-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-xl);
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: transparent;
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
  font-size: var(--text-body-size);
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.modal-cta:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
}

.modal-cta-arrow {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.modal-note {
  margin-top: var(--space-xl);
  font-family: var(--font-sans);
  font-size: var(--text-body-size);
  color: var(--color-text-secondary);
}

.modal-note-link {
  color: inherit;
  text-decoration: underline;
}

.modal-mockups {
  margin-top: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.modal-mockup-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .modal-mockup-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.modal-mockup {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.modal-mockup-frame {
  border-radius: var(--radius-card);
  border: 1px solid var(--color-card-border);
  overflow: hidden;
}

.modal-mockup-img {
  display: block;
  width: 100%;
  height: auto;
}

.modal-mockup-frame--fill {
  position: relative;
  aspect-ratio: 1972 / 1664;
  background: var(--color-modal-hero-bg);
}

.modal-mockup-frame--fill .modal-mockup-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  padding: var(--space-lg);
  object-fit: contain;
  object-position: center;
}

.modal-mockup-caption {
  font-family: var(--font-sans);
  font-size: var(--text-mono-size);
  color: var(--color-caption);
}

/* ========================================
   Scroll Reveal
   ======================================== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-heading .reveal-word {
  display: inline-block;
  white-space: nowrap;
}

.reveal-heading .reveal-letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.4em);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-heading.is-visible .reveal-letter {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-heading .reveal-letter {
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ========================================
   About Portrait
   ======================================== */

.about-signature-img {
  display: block;
  width: 140px;
  height: auto;
  margin-top: var(--space-md);
}

.about-portrait-img {
  display: block;
  width: 100%;
  height: auto;
  margin-top: var(--space-lg);
  border-radius: var(--radius-card);
}

/* ========================================
   Experience
   ======================================== */

.experience {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.experience-list {
  margin-top: var(--space-xl);
}

.experience-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xs);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-card-border);
}

.experience-row:first-child {
  border-top: none;
  padding-top: 0;
}

@media (min-width: 768px) {
  .experience-list {
    display: grid;
    grid-template-columns: 2fr 1fr auto;
    column-gap: var(--space-md);
  }

  .experience-row {
    grid-column: 1 / -1;
    grid-template-columns: subgrid;
    align-items: baseline;
    gap: var(--space-md);
  }
}

.experience-title {
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
  font-size: var(--text-body-size);
  color: var(--color-text-primary);
}

.experience-company {
  font-family: var(--font-sans);
  font-size: var(--text-body-size);
  color: var(--color-text-secondary);
}

.experience-company-link {
  text-decoration: underline;
  transition: opacity 0.15s ease;
}

.experience-company-link:hover {
  opacity: 0.6;
}

.experience-years {
  font-family: var(--font-sans);
  font-size: var(--text-body-size);
  color: var(--color-text-secondary);
}

@media (min-width: 768px) {
  .experience-years {
    text-align: right;
  }
}