/* ── Fonts ── */
@font-face {
  font-family: 'Spotify Mix Wide';
  src: url('../assets/fonts/SpotifyMixOffcWide-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Spotify Mix Narrow';
  src: url('../assets/fonts/SpotifyMixOffcNarrow-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Spotify Mix';
  src: url('../assets/fonts/SpotifyMixOffc-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ── Tokens ── */
:root {
  --color-bg: #0a0a0a;
  --color-surface: #111111;
  --color-text: #e8e8e8;
  --color-text-muted: #999999;
  --color-text-heading: #ffffff;
  --color-accent: #ffffff;
  --color-divider: #333333;

  --font-wide: 'Spotify Mix Wide', system-ui, sans-serif;
  --font-narrow: 'Spotify Mix Narrow', system-ui, sans-serif;
  --font-body: 'Spotify Mix', system-ui, sans-serif;

  --size-name: 48px;
  --size-label: 24px;
  --size-section-title: 18px;
  --size-body: 16px;
  --line-height-body: 1.65;

  --space-gutter: clamp(2rem, 5vw, 6rem);
  --space-section: clamp(3rem, 6vh, 5rem);
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: var(--line-height-body);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Layout ── */
.portfolio {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-gutter);
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(3rem, 8vh, 6rem) var(--space-gutter);
  min-height: 100vh;
  align-content: start;
}

/* ── Intro (left column) ── */
.intro {
  position: sticky;
  top: clamp(3rem, 8vh, 6rem);
  align-self: start;
  padding-right: clamp(1rem, 3vw, 3rem);
}

.label {
  font-family: var(--font-narrow);
  font-size: var(--size-label);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.name {
  font-family: var(--font-wide);
  font-size: var(--size-name);
  font-weight: 700;
  color: var(--color-text-heading);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.75rem;
}

.bio {
  font-size: var(--size-body);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 380px;
}

.bio-tagline {
  font-family: var(--font-mono), monospace;
  font-size: 18px;
  color: #FFFFFF;
  line-height: 1.6;
  max-width: 380px;
  min-height: 60px;
}

.typewriter-cursor {
  color: #FFFFFF;
  animation: blink 0.6s step-end infinite;
  font-weight: 400;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.bio-years {
  font-size: var(--size-body);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: 1.5rem;
  max-width: 380px;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.75rem;
}

.social-link {
  color: var(--color-text-heading);
  transition: color 0.3s ease;
  display: inline-flex;
}

.social-link:hover {
  color: #08CAC8;
}

.robot-animation {
  position: relative;
  margin-top: 2rem;
  height: 180px;
  overflow: hidden;
}

.robot-animation > svg {
  position: absolute !important;
  bottom: 0;
  left: 0;
  width: 140px !important;
  height: 180px !important;
  transform: translateX(-100%);
  opacity: 0;
}

.robot-animation.walking > svg {
  animation: walk-across 14s linear forwards;
}

@keyframes walk-across {
  0% {
    transform: translateX(-100%);
    opacity: 0;
  }
  2% {
    opacity: 1;
  }
  95% {
    opacity: 1;
  }
  100% {
    transform: translateX(380px);
    opacity: 0;
  }
}

/* ── Work (right column) ── */
.work {
  display: flex;
  flex-direction: column;
  gap: var(--space-section);
  padding-top: 0.25rem;
  min-width: 0;
}

.work-item {
  /* ready for entrance animations */
}

.work-title {
  font-family: var(--font-wide);
  font-size: var(--size-section-title);
  font-weight: 700;
  color: var(--color-text-heading);
  letter-spacing: -0.01em;
}

.work-divider {
  height: 1px;
  background: var(--color-divider);
  margin: 0.75rem 0 1.25rem;
}

.work-description {
  font-size: var(--size-body);
  color: var(--color-text);
  line-height: var(--line-height-body);
  max-width: 580px;
}

.work-description + .work-description {
  margin-top: 1.25rem;
}

.work-subtitle {
  font-family: var(--font-wide);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-heading);
  letter-spacing: -0.01em;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.work-list {
  font-size: var(--size-body);
  color: var(--color-text);
  line-height: var(--line-height-body);
  max-width: 580px;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ── Timeline ── */
.timeline-wrapper {
  position: relative;
  margin-top: 1.5rem;
}

.timeline-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--color-divider);
  z-index: 2;
  pointer-events: none;
}

.timeline-track {
  overflow-x: scroll;
  overflow-y: hidden;
  scroll-snap-type: none;
  scrollbar-width: none;
  position: relative;
  padding: 2rem 0;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}

.timeline-track::-webkit-scrollbar {
  display: none;
}

.timeline-bg-text {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  display: flex;
  gap: 300px;
  padding-left: 40px;
  pointer-events: none;
  z-index: 0;
}

.timeline-bg-text span {
  font-family: var(--font-wide);
  font-size: clamp(100px, 25vw, 180px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.04);
  line-height: 1;
  white-space: nowrap;
}

.timeline-cards {
  display: flex;
  align-items: flex-start;
  gap: 4rem;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
  width: max-content;
}

.timeline-card {
  flex-shrink: 0;
  scroll-snap-align: center;
}

.timeline-card--desc {
  width: 160px;
}

.timeline-card--wide {
  width: 200px;
}

.timeline-card--pair {
  width: 200px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.timeline-card-text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-height: 160px;
}

.timeline-date {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 400;
  color: #7C7C7C;
  letter-spacing: 0.02em;
}

.timeline-desc {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 1.45;
}

.timeline-card img {
  width: 100%;
  height: auto;
  display: block;
}

.timeline-card-crossfade {
  position: relative;
  width: 100%;
}

.crossfade-img {
  display: block;
}

.crossfade-a {
  position: relative;
  width: 100%;
  height: auto;
}

.crossfade-b {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 101%;
  height: 101%;
  transform: translate(-50%, -50%);
  object-fit: fill;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.timeline-card-crossfade.swap-active .crossfade-b {
  opacity: 1;
}

.timeline-card-crossfade:hover .crossfade-b {
  opacity: 1;
}

.phone-mockup {
  position: relative;
  width: 238px;
  margin-top: 1rem;
}

.phone-frame {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.phone-screens {
  position: relative;
  width: 100%;
  z-index: 1;
}

.phone-screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  display: block;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.phone-screen:first-child {
  position: relative;
}

.phone-screen.active {
  opacity: 1;
}

.phone-button {
  position: absolute;
  bottom: 38%;
  left: 50%;
  transform: translateX(-50%);
  width: 95%;
  height: auto;
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.phone-button.active {
  opacity: 1;
}

.phone-btn-1 { bottom: 38%; }
.phone-btn-2 { bottom: 42%; }
.phone-btn-3 { bottom: 18%; }


/* ── Collapsible sections ── */
.work-item {
  min-width: 0;
}

.work-details {
  list-style: none;
  min-width: 0;
}

.work-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  list-style: none;
  min-width: 0;
}

.work-header .work-title {
  flex: 1;
  min-width: 0;
}

.work-header::-webkit-details-marker {
  display: none;
}

.work-header::marker {
  display: none;
  content: '';
}

.chevron {
  color: var(--color-text-muted);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 1rem;
}

.work-details[open] .chevron {
  transform: rotate(180deg);
}

.work-gallery {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.work-gallery img {
  width: 100%;
  max-width: 580px;
  border-radius: 8px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .portfolio {
    grid-template-columns: 1fr;
    gap: clamp(2.5rem, 6vh, 4rem);
    padding: clamp(2rem, 6vh, 4rem) clamp(1.25rem, 5vw, 2rem);
  }

  .intro {
    position: static;
    padding-right: 0;
  }

  .bio {
    max-width: 100%;
  }

  .work-description {
    max-width: 100%;
  }
}

/* ── Selection ── */
::selection {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-text-heading);
}

body {
  user-select: none;
}

.work-description,
.work-list li,
.bio-tagline,
.bio-years,
.timeline-desc,
.timeline-date,
.work-subtitle {
  user-select: text;
}