/* ── Theme tokens ──────────────────────────────── */
:root {
  --bg:        #0B0B0B;
  --ink:       #EFEFEA;
  --ink-soft:  #C7C7C0;
  --ink-mute:  #8A8A83;
  --line:      rgba(239,239,234,0.30);
  --line-soft: rgba(239,239,234,0.14);
  --radius:    10px;

  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --page-max: 1280px;
  --gutter: clamp(20px, 4vw, 56px);
  --nav-h: 60px;

  --transition-theme: background 700ms cubic-bezier(.22,.61,.36,1),
                      color 700ms cubic-bezier(.22,.61,.36,1),
                      border-color 700ms cubic-bezier(.22,.61,.36,1);
}

/* ── Reset ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: var(--nav-h); }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-weight: 400;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
  overflow-x: hidden;
  transition: var(--transition-theme);
}
::selection { background: var(--ink); color: var(--bg); }
img, video, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }

/* ── Top bar ───────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  backdrop-filter: blur(12px) saturate(1.05);
  -webkit-backdrop-filter: blur(12px) saturate(1.05);
  border-bottom: 1px solid var(--line-soft);
  transition: var(--transition-theme);
}
.topbar-brand {
  font-weight: 500;
  color: var(--ink);
  margin-right: auto;
  white-space: nowrap;
}
.topbar-brand span { color: var(--ink-mute); }
.topbar-nav { display: flex; gap: clamp(14px, 3vw, 32px); }
.topbar-nav a {
  color: var(--ink-soft);
  transition: color 200ms;
  padding: 6px 0;
}
.topbar-nav a:hover { color: var(--ink); }

.lang-switch {
  display: flex;
  gap: 2px;
  margin-left: 8px;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  overflow: hidden;
}
.lang-btn {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 5px 8px;
  color: var(--ink-mute);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: color 200ms, background 200ms;
}
.lang-btn:hover { color: var(--ink-soft); }
.lang-btn.is-active {
  color: var(--ink);
  background: color-mix(in srgb, var(--ink) 12%, transparent);
}
html[data-immersive="true"] .topbar { opacity: 0; pointer-events: none; transition: opacity 500ms; }

/* ── Hero ──────────────────────────────────────── */
.hero {
  position: relative;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: calc(var(--nav-h) + clamp(24px, 4vw, 60px)) var(--gutter) clamp(32px, 4vw, 56px);
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 3.5vw, 44px);
}
.hero-meta {
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}
.hero-wordmark {
  align-self: flex-start;
  font-family: var(--mono);
  font-weight: 500;
  font-size: clamp(80px, 20vw, 240px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--ink);
  position: relative;
  z-index: 1;
}
.hero-diagonals {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(var(--nav-h) + 24px);
  bottom: clamp(60px, 8vw, 100px);
  width: 100%;
  pointer-events: none;
  color: var(--ink);
  z-index: 0;
}
.hero-tagline {
  align-self: end;
  font-size: clamp(13px, 1.4vw, 16px);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 60ch;
  padding-top: clamp(16px, 2vw, 24px);
  border-top: 1px solid var(--line);
}

/* ── Trabalho ──────────────────────────────────── */
.work {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(60px, 10vw, 140px) var(--gutter) clamp(40px, 8vw, 100px);
}
.work-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(48px, 6vw, 80px);
  font-size: 12px;
  letter-spacing: 0.04em;
  gap: 16px;
  flex-wrap: wrap;
}
.work-head .label { font-weight: 500; }
.work-head .sub { color: var(--ink-mute); }

.work-list { display: flex; flex-direction: column; gap: clamp(48px, 7vw, 100px); }

.work-item {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) 1.4fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
}

.work-meta { display: flex; flex-direction: column; padding-top: 4px; }
.work-num {
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-mute);
  letter-spacing: 0.14em;
  margin-bottom: clamp(16px, 2.5vw, 28px);
}
.work-title {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 10px;
}
.work-kicker {
  font-family: var(--mono);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(13px, 1.3vw, 15px);
  color: var(--ink-soft);
  margin-bottom: clamp(14px, 2vw, 20px);
}
.work-desc {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 44ch;
  margin-bottom: clamp(18px, 2.5vw, 28px);
}
.work-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.work-tags li { position: relative; }
.work-tags li + li::before {
  content: "";
  position: absolute;
  left: -12px; top: 50%;
  width: 3px; height: 3px;
  background: var(--ink-mute);
  border-radius: 50%;
  transform: translateY(-50%);
}

.work-video {
  position: relative;
  aspect-ratio: 16 / 9;
  background: color-mix(in srgb, var(--ink) 10%, transparent);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 300ms;
}
.work-video:hover {
  border-color: var(--ink);
}
/* Slim audio player — override the 16/9 video frame */
.work-video.work-audio {
  aspect-ratio: auto;
  border-radius: var(--radius);
  cursor: default;
  background: color-mix(in srgb, var(--ink) 6%, transparent);
}
.work-item-audio { align-items: center; }
.work-video video { width: 100%; height: 100%; object-fit: cover; }
.work-play {
  position: absolute;
  inset: 0;
  color: transparent;
  background: rgba(0, 0, 0, 0.25);
  transition: opacity 300ms, background 300ms;
}
.work-play::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 0; height: 0;
  border-left: 22px solid var(--ink);
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
  filter: drop-shadow(0 1px 2px color-mix(in srgb, var(--bg) 40%, transparent));
  transition: transform 200ms;
}
.work-video:hover .work-play::after {
  transform: translate(-50%, -50%) scale(1.18);
}
.work-video.is-playing .work-play { opacity: 0; pointer-events: none; }

/* Fullscreen button — top-right corner of a video card, visible on hover
   or once the video is playing (so viewers on iOS have a reliable entry
   point when the browser's own control is hidden by playsinline). */
.work-fs {
  position: absolute;
  top: 12px; right: 12px;
  z-index: 3;
  width: 36px; height: 36px;
  display: grid;
  place-items: center;
  color: #fff;
  background: rgba(0, 0, 0, 0.55);
  border: 0;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 200ms, background 200ms;
  -webkit-backdrop-filter: blur(4px);
          backdrop-filter: blur(4px);
}
.work-fs svg { width: 16px; height: 16px; display: block; }
.work-video:hover .work-fs,
.work-video.is-playing .work-fs { opacity: 1; }
.work-fs:hover { background: rgba(0, 0, 0, 0.8); }

.work-audio audio { display: none; }
.work-audio .work-play { display: none; }

/* ─── Compact Spotify-style audio player ─── */
.work-audio-player {
  position: relative;
  display: grid;
  grid-template-columns: 36px auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px clamp(16px, 2.6vw, 24px);
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  cursor: default;
}
.work-audio-toggle {
  width: 36px;
  height: 36px;
  border: 0;
  background: transparent;
  display: grid;
  place-items: center;
  color: var(--ink);
  transition: transform 200ms;
}
.work-audio-toggle:hover { transform: scale(1.12); }
.work-audio-toggle svg {
  width: 22px; height: 22px;
  grid-column: 1; grid-row: 1;
  display: block;
}
.work-audio-toggle .icon-play  { transform: translateX(2px); }
.work-audio-toggle .icon-pause { display: none; }
.work-audio.is-playing .work-audio-toggle .icon-play  { display: none; }
.work-audio.is-playing .work-audio-toggle .icon-pause { display: block; }

.work-audio-time {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  font-variant-numeric: tabular-nums;
  min-width: 34px;
  text-align: center;
}
.work-audio-time-total { text-align: right; }

.work-audio-scrub {
  position: relative;
  height: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  touch-action: none;
}
.work-audio-scrub:focus-visible { outline: 1px solid var(--ink); outline-offset: 4px; border-radius: 4px; }
.work-audio-scrub-track {
  position: absolute;
  left: 0; right: 0; top: 50%;
  height: 2px;
  transform: translateY(-50%);
  background: color-mix(in srgb, var(--ink) 22%, transparent);
  border-radius: 2px;
}
.work-audio-scrub-fill {
  position: absolute;
  left: 0; top: 50%;
  height: 2px;
  width: 0%;
  transform: translateY(-50%);
  background: var(--ink);
  border-radius: 2px;
  transition: width 60ms linear;
}
.work-audio-scrub-knob {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  width: 10px; height: 10px;
  border-radius: 999px;
  background: var(--ink);
  transition: left 60ms linear, transform 200ms;
}
.work-audio-scrub:hover .work-audio-scrub-knob,
.work-audio.is-playing .work-audio-scrub-knob {
  transform: translate(-50%, -50%) scale(1.15);
}

@media (max-width: 600px) {
  .work-audio-player { gap: 10px; grid-template-columns: 36px auto 1fr auto; }
  .work-audio-toggle { width: 36px; height: 36px; }
  .work-audio-time { min-width: 30px; font-size: 10px; }
}

/* ─── Custom video controls ─── */
.work-video:not(.work-audio) .work-fs { display: none; }
.work-video video::-webkit-media-controls { display: none !important; }

.work-vid-controls {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: 32px auto 1fr auto 32px;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, transparent 100%);
  color: #fff;
  font-family: var(--mono);
  opacity: 0;
  transition: opacity 300ms;
  cursor: default;
}
.work-video:hover .work-vid-controls,
.work-vid-controls.is-scrubbing {
  opacity: 1;
}

.work-vid-toggle {
  width: 32px; height: 32px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 0;
  color: #fff;
  cursor: pointer;
  transition: transform 200ms;
}
.work-vid-toggle:hover { transform: scale(1.12); }
.work-vid-toggle svg {
  width: 20px; height: 20px;
  grid-column: 1; grid-row: 1;
  display: block;
}
.work-vid-toggle .icon-play { transform: translateX(2px); }
.work-vid-toggle .icon-pause { display: none; }
.work-video.is-playing .work-vid-toggle .icon-play { display: none; }
.work-video.is-playing .work-vid-toggle .icon-pause { display: block; }

.work-vid-time {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.7);
  font-variant-numeric: tabular-nums;
  min-width: 34px;
  text-align: center;
}

.work-vid-scrub {
  position: relative;
  height: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  touch-action: none;
}
.work-vid-scrub-track {
  position: absolute;
  left: 0; right: 0; top: 50%;
  height: 3px;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.25);
  border-radius: 2px;
}
.work-vid-scrub-fill {
  position: absolute;
  left: 0; top: 50%;
  height: 3px;
  width: 0%;
  transform: translateY(-50%);
  background: #fff;
  border-radius: 2px;
}
.work-vid-scrub-knob {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  width: 12px; height: 12px;
  border-radius: 999px;
  background: #fff;
  opacity: 0;
  transition: opacity 200ms;
}
.work-vid-scrub:hover .work-vid-scrub-knob,
.work-vid-controls.is-scrubbing .work-vid-scrub-knob {
  opacity: 1;
}

.work-vid-fs {
  width: 32px; height: 32px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 0;
  color: #fff;
  cursor: pointer;
  transition: transform 200ms;
}
.work-vid-fs:hover { transform: scale(1.12); }
.work-vid-fs svg { width: 16px; height: 16px; display: block; }

@media (max-width: 600px) {
  .work-vid-controls { gap: 8px; padding: 10px 12px; }
  .work-vid-time { min-width: 30px; font-size: 10px; }
}

/* ── Perfil / About ────────────────────────────── */
.about {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(80px, 12vw, 160px) var(--gutter) clamp(60px, 10vw, 120px);
  border-top: 1px solid var(--line);
}
.about-head {
  padding-bottom: clamp(40px, 6vw, 72px);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.about-head .label { font-weight: 500; }
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.about-lead {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(16px, 2.0vw, 28px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 26ch;
}
.about-lead i { font-style: italic; font-weight: 300; }
.about-side {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 4vw, 44px);
}
.about-block h4 {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 14px;
}
.about-block p {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-top: 10px;
}
.about-block p:first-of-type { margin-top: 0; }
.about-block strong {
  font-weight: 500;
  color: var(--ink);
}
.about-block span {
  color: var(--ink-mute);
  font-size: 12.5px;
}

/* ── Xylophone (helix, Three.js — full width, at bottom) ───── */
.xylo {
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
}
.xylo-stage {
  position: relative;
  width: 100%;
  height: clamp(520px, 90vh, 960px);
  overflow: hidden;
  background: var(--bg);
  cursor: crosshair;
  transition: var(--transition-theme);
}
#xylo-canvas {
  width: 100%;
  height: 100%;
  display: block;
}
/* Fade at the top of the helix: real backdrop-blur that gradually fades
   out (via mask), plus a tinted overlay that pulls the bg colour down —
   so the bars appear to emerge from mist rather than sit in a box. */
.xylo-fade {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 62%;
  pointer-events: none;
  backdrop-filter: blur(22px) saturate(1.05);
  -webkit-backdrop-filter: blur(22px) saturate(1.05);
  background: linear-gradient(
    to bottom,
    var(--bg) 0%,
    color-mix(in srgb, var(--bg) 55%, transparent) 45%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 55%, transparent 100%);
          mask-image: linear-gradient(to bottom, black 0%, black 55%, transparent 100%);
  transition: var(--transition-theme);
}
.xylo-hint {
  position: absolute;
  left: var(--gutter); bottom: 20px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  pointer-events: none;
  user-select: none;
  z-index: 2;
}

/* ── Contacto ──────────────────────────────────── */
.contact {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(80px, 12vw, 160px) var(--gutter) clamp(48px, 6vw, 80px);
  border-top: 1px solid var(--line);
}
.contact-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(32px, 5vw, 56px);
  font-size: 12px;
  letter-spacing: 0.04em;
  gap: 16px;
  flex-wrap: wrap;
}
.contact-head .label { font-weight: 500; }
.contact-head .sub { color: var(--ink-mute); font-style: italic; font-weight: 300; }

.contact-rows { display: flex; flex-direction: column; }
.contact-rows li a,
.contact-rows li > div {
  display: grid;
  grid-template-columns: minmax(120px, 180px) 1fr auto;
  gap: clamp(16px, 3vw, 32px);
  align-items: baseline;
  padding: clamp(20px, 3vw, 32px) 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink);
  transition: padding-left 250ms cubic-bezier(.22,.61,.36,1),
              color 200ms;
}
.contact-rows li:last-child a,
.contact-rows li:last-child > div { border-bottom: 0; }
.contact-rows li a:hover { padding-left: 12px; }
.contact-rows li a:hover .contact-arrow { transform: translateX(6px); color: var(--ink); }

.contact-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
}
.contact-value {
  font-family: var(--mono);
  font-weight: 500;
  font-size: clamp(20px, 2.6vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.contact-arrow {
  font-family: var(--mono);
  font-size: 18px;
  color: var(--ink-mute);
  transition: transform 250ms, color 200ms;
  align-self: center;
}
.contact-arrow-static { transform: none !important; }

/* ── Footer strip ──────────────────────────────── */
.foot-strip {
  border-top: 1px solid var(--line);
}
.foot-strip-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 20px var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ── Responsive ────────────────────────────────── */
@media (max-width: 900px) {
  .hero { min-height: auto; padding-top: calc(var(--nav-h) + 32px); }
  .hero-diagonals { height: clamp(200px, 42vw, 380px); }
  .work-item { grid-template-columns: 1fr; gap: 20px; }
  .work-meta { padding-top: 0; }
  .work-video { order: -1; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-lead { max-width: 100%; }
  .contact-rows li a,
  .contact-rows li > div {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 4px 16px;
  }
  .contact-label { grid-column: 1 / -1; margin-bottom: 4px; }
  .contact-value { grid-column: 1; }
  .contact-arrow { grid-column: 2; grid-row: 2; align-self: end; }
  .foot-strip-inner { flex-direction: column; align-items: flex-start; gap: 6px; }
  .topbar-nav { gap: 12px; }
  .topbar-brand span { display: none; }
}

@media (max-width: 480px) {
  .topbar { gap: 8px; }
  .topbar-nav a { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}