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

body {
  margin: 0;
  background: oklch(0.14 0.003 270);
  color: oklch(0.95 0.004 90);
  font-family: 'Inter', sans-serif;
  overflow-x: hidden;
  min-height: 100vh;
}

::selection { background: oklch(0.75 0.09 70 / 0.3); }

/* ============ Film grain overlay ============ */
/* A faint, constant noise texture over the whole site — ties the "exhibition
   in chapters" / cinematic framing together. Pure CSS, no image request. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 500;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="220" height="220"><filter id="grain"><feTurbulence type="fractalNoise" baseFrequency="0.85" numOctaves="2" stitchTiles="stitch"/><feColorMatrix type="saturate" values="0"/></filter><rect width="100%25" height="100%25" filter="url(%23grain)"/></svg>');
}

@media (prefers-reduced-motion: reduce) {
  body::before { display: none; }
}

/* ============ Scroll progress bar ============ */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  z-index: 501;
  pointer-events: none;
  background: linear-gradient(90deg, oklch(0.8 0.06 70), oklch(0.97 0.01 90));
  transition: width 0.15s linear;
}

/* ============ Cross-document page transitions ============ */
/* Opts every page into the browser's native same-origin view transition:
   a soft dissolve between pages instead of a hard cut. No-ops silently in
   browsers that don't support it yet (Safari, Firefox). */
@view-transition {
  navigation: auto;
}

::view-transition-old(root) {
  animation: 0.45s cubic-bezier(0.4, 0, 0.2, 1) both vt-fade-out;
}

::view-transition-new(root) {
  animation: 0.45s cubic-bezier(0.16, 1, 0.3, 1) both vt-fade-in;
}

@keyframes vt-fade-out { to { opacity: 0; } }
@keyframes vt-fade-in { from { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }
}

/* ============ Animations ============ */
@keyframes driftA { 0% { transform: translate(0,0); } 50% { transform: translate(24px,-30px); } 100% { transform: translate(0,0); } }
@keyframes driftB { 0% { transform: translate(0,0); } 50% { transform: translate(-30px,20px); } 100% { transform: translate(0,0); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes breathe { 0%,100% { transform: scale(1); } 50% { transform: scale(1.012); } }
@keyframes slowZoom { 0% { transform: scale(1); } 100% { transform: scale(1.09); } }

/* ============ Loader ============ */
body.loading { overflow: hidden; }

.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: oklch(0.14 0.003 270);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.9s ease, visibility 0.9s;
}

.loader.loader-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 700px 500px at 50% 45%, oklch(0.24 0.015 60 / 0.55), transparent 70%);
  animation: loaderGlow 3s ease-in-out infinite;
}

@keyframes loaderGlow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.loader-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: fadeUp 1.2s cubic-bezier(0.16,1,0.3,1) both;
}

.loader-bust {
  width: clamp(180px, 26vw, 300px);
  height: auto;
  filter: drop-shadow(0 24px 48px oklch(0 0 0 / 0.5));
  animation: loaderFloat 4s ease-in-out infinite;
}

@keyframes loaderFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-10px) scale(1.015); }
}

.loader-name {
  margin-top: 34px;
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.42em;
  text-indent: 0.42em; /* re-center: letter-spacing adds space after last char */
  opacity: 0.85;
}

.loader-line {
  margin-top: 26px;
  width: 160px;
  height: 1px;
  background: oklch(0.95 0.004 90 / 0.12);
  overflow: hidden;
}

.loader-line span {
  display: block;
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, transparent, oklch(0.85 0.06 70), transparent);
  animation: loaderSweep 1.4s ease-in-out infinite;
}

@keyframes loaderSweep {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(400%); }
}

/* ============ Nav ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 48px;
  mix-blend-mode: difference;
  pointer-events: none;
  transition: transform 0.5s cubic-bezier(0.16,1,0.3,1), opacity 0.4s ease,
              mix-blend-mode 0.01s linear 0.5s;
}

.nav.nav-hidden {
  transform: translateY(-110%);
  opacity: 0;
}

.nav-brand {
  font-size: 12px;
  letter-spacing: 0.18em;
  font-weight: 400;
  opacity: 0.9;
  color: inherit;
  text-decoration: none;
  pointer-events: auto;
}

.nav-links {
  display: flex;
  gap: 36px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.75;
  pointer-events: auto;
}

.nav-links a {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.lang-toggle {
  pointer-events: auto;
  padding: 5px 11px;
  font: inherit;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: inherit;
  background: none;
  border: 1px solid currentColor;
  border-radius: 999px;
  opacity: 0.75;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.lang-toggle:hover { opacity: 1; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 6px;
  width: 34px;
  height: 34px;
  padding: 0;
  border: none;
  background: none;
  color: inherit;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  pointer-events: auto;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background: currentColor;
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1), opacity 0.3s ease, width 0.3s ease;
}

.nav.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); width: 100%; }
.nav.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); width: 100%; }

body.nav-menu-open { overflow: hidden; }

/* ============ Kickers / shared ============ */
.kicker {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.55;
  margin: 0 0 20px;
}

.kicker.centered {
  font-size: 12px;
  letter-spacing: 0.25em;
  margin-bottom: 32px;
}

/* ============ Image slots (placeholders until you add images) ============ */
.img-slot {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.img-slot::after {
  content: attr(data-label);
  font-size: 10px;
  letter-spacing: 0.2em;
  opacity: 0.35;
  text-align: center;
  padding: 0 24px;
}

.img-slot img,
.img-slot video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* locked video: plays on its own, no interaction possible */
.locked-video { pointer-events: none; }

/* hide label when a real image is inside */
.img-slot:has(img)::after,
.img-slot:has(video)::after { content: none; }

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 900px 700px at 50% 38%, oklch(0.22 0.01 60 / 0.5), transparent 70%),
    radial-gradient(ellipse 1200px 900px at 20% 90%, oklch(0.18 0.02 250 / 0.4), transparent 65%),
    radial-gradient(ellipse 1000px 800px at 85% 10%, oklch(0.2 0.015 30 / 0.35), transparent 60%);
  pointer-events: none;
}

.particle {
  position: absolute;
  border-radius: 50%;
  filter: blur(1px);
}
.p1 { width: 6px; height: 6px; background: oklch(0.85 0.02 80 / 0.5);  top: 22%; left: 18%; animation: driftA 14s ease-in-out infinite; }
.p2 { width: 4px; height: 4px; background: oklch(0.85 0.02 80 / 0.4);  top: 65%; left: 30%; animation: driftB 18s ease-in-out infinite; }
.p3 { width: 3px; height: 3px; background: oklch(0.85 0.02 80 / 0.45); top: 35%; left: 75%; animation: driftA 16s ease-in-out infinite 2s; }
.p4 { width: 5px; height: 5px; background: oklch(0.85 0.02 80 / 0.35); top: 78%; left: 68%; animation: driftB 20s ease-in-out infinite 1s; }
.p5 { width: 3px; height: 3px; background: oklch(0.85 0.02 80 / 0.4);  top: 12%; left: 55%; animation: driftA 15s ease-in-out infinite 3s; }
.p6 { width: 4px; height: 4px; background: oklch(0.85 0.02 80 / 0.3);  top: 50%; left: 88%; animation: driftB 17s ease-in-out infinite 2.5s; }

.hero-image-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  animation: fadeUp 1.8s cubic-bezier(0.16,1,0.3,1) both;
}

.hero-image-motion {
  position: absolute;
  inset: 0;
  animation: slowZoom 22s ease-in-out infinite alternate, breathe 12s ease-in-out infinite 1.8s;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.15) contrast(1.05);
}

.hero-fade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    oklch(0.14 0.003 270 / 0.15) 0%,
    oklch(0.14 0.003 270 / 0) 35%,
    oklch(0.14 0.003 270 / 0.35) 68%,
    oklch(0.14 0.003 270 / 0.95) 100%);
  pointer-events: none;
}

/* Dust motes drifting up through the light beam */
.hero-dust {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.hero-dust span {
  position: absolute;
  bottom: 8%;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: oklch(0.95 0.03 85 / 0.7);
  filter: blur(0.4px);
  opacity: 0;
  animation: dustRise linear infinite;
}

.hero-dust span:nth-child(1) { left: 38%; animation-duration: 9s;  animation-delay: 0s; }
.hero-dust span:nth-child(2) { left: 46%; animation-duration: 11s; animation-delay: 2s; }
.hero-dust span:nth-child(3) { left: 52%; animation-duration: 8s;  animation-delay: 4s; }
.hero-dust span:nth-child(4) { left: 58%; animation-duration: 12s; animation-delay: 1s; }
.hero-dust span:nth-child(5) { left: 64%; animation-duration: 10s; animation-delay: 3.5s; }

@keyframes dustRise {
  0%   { transform: translate(0, 0); opacity: 0; }
  10%  { opacity: 0.8; }
  50%  { transform: translate(6px, -38vh); opacity: 0.45; }
  90%  { opacity: 0; }
  100% { transform: translate(-4px, -58vh); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-dust span { animation: none; opacity: 0; }
}

.hero-title {
  position: relative;
  z-index: 3;
  text-align: center;
  margin-top: auto;
  padding-bottom: 74px;
  animation: fadeUp 1.8s cubic-bezier(0.16,1,0.3,1) 0.5s both;
}

.hero-title h1 {
  font-size: clamp(38px, 6.2vw, 88px);
  font-weight: 200;
  letter-spacing: 0.02em;
  margin: 0;
  line-height: 1;
}

.hero-title p {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 400;
  opacity: 0.6;
}

/* ============ Works ============ */
.works {
  position: relative;
  padding: 140px 0 60px;
}

.works-intro {
  padding: 0 48px 90px;
  max-width: 900px;
}

.works-intro h2 {
  font-size: clamp(30px, 4.4vw, 58px);
  font-weight: 200;
  line-height: 1.15;
  margin: 0;
  letter-spacing: 0.01em;
}

.work-panel {
  display: block;
  position: relative;
  height: 92vh;
  overflow: hidden;
  margin: 0 0 4px;
  background: oklch(0.95 0.01 90 / 0.06);
  box-shadow: inset 0 0 0 1px oklch(0.95 0.01 90 / 0.14);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.work-media {
  position: absolute;
  inset: 0;
  transition: transform 1.1s cubic-bezier(0.16,1,0.3,1);
  will-change: transform;
}

.work-panel:hover .work-media { transform: scale(1.045); }

.work-media .img-slot { filter: brightness(0.82); }

.work-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, oklch(0.14 0.003 270 / 0) 40%, oklch(0.14 0.003 270 / 0.85) 100%);
  pointer-events: none;
}

.work-tag {
  position: absolute;
  top: 36px;
  left: 48px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.75;
  pointer-events: none;
}

.work-caption {
  position: absolute;
  bottom: 48px;
  left: 48px;
  right: 48px;
  pointer-events: none;
}

.work-caption h3 {
  font-size: clamp(32px, 6vw, 84px);
  font-weight: 200;
  margin: 0;
  letter-spacing: 0.01em;
}

.work-caption p {
  font-size: 13px;
  opacity: 0.65;
  margin: 14px 0 0;
  max-width: 480px;
}

/* ============ Process / Engineering splits ============ */
.split {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 0 48px;
  overflow: hidden;
}

.split-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.glow-left  { background: radial-gradient(ellipse 900px 700px at 15% 30%, oklch(0.2 0.015 250 / 0.4), transparent 65%); }
.glow-right { background: radial-gradient(ellipse 900px 700px at 85% 70%, oklch(0.2 0.02 30 / 0.35), transparent 65%); }

.split-text { position: relative; }
.pad-right { padding-right: 40px; }
.pad-left  { padding-left: 40px; }

.split-text h2 {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 200;
  line-height: 1.25;
  margin: 0;
  max-width: 560px;
  letter-spacing: 0.01em;
}

.split-sub {
  font-size: 13px;
  opacity: 0.6;
  margin: 24px 0 0;
  max-width: 440px;
  line-height: 1.6;
}

.split-media {
  position: relative;
  height: 70vh;
  border-radius: 2px;
  overflow: hidden;
  background: oklch(0.95 0.01 90 / 0.06);
  box-shadow: inset 0 0 0 1px oklch(0.95 0.01 90 / 0.14);
}

.split-media .img-slot { filter: brightness(0.88); }

.order-first { order: -1; }

/* ============ 3D scenes (Process & Engineering) ============ */
.scene-holder { background: transparent; box-shadow: none; overflow: visible; }

.scene3d {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1300px;
}

/* --- storyboard stack (Process) --- */
.sb-stack {
  position: relative;
  width: 58%;
  aspect-ratio: 16 / 10;
  transform-style: preserve-3d;
  animation: sbTurn 14s ease-in-out infinite alternate;
}

@keyframes sbTurn {
  from { transform: rotateX(10deg) rotateY(-26deg) translateY(0); }
  to { transform: rotateX(16deg) rotateY(-6deg) translateY(-14px); }
}

.sb-frame {
  position: absolute;
  inset: 0;
  border: 1px solid oklch(0.95 0.01 90 / 0.28);
  background: oklch(0.17 0.005 270 / 0.72);
  backdrop-filter: blur(2px);
  border-radius: 4px;
  padding: 12% 10%;
  display: flex;
  flex-direction: column;
  gap: 10%;
  box-shadow: 0 40px 80px oklch(0 0 0 / 0.35);
}

.sb-frame i {
  display: block;
  height: 7%;
  border-radius: 99px;
  background: oklch(0.95 0.01 90 / 0.16);
}

.sb-frame i:first-child { width: 55%; background: oklch(0.95 0.01 90 / 0.28); }

.f1 { transform: translateZ(-110px) translate(-9%, 9%); opacity: 0.45; }
.f2 { transform: translateZ(-55px) translate(-4.5%, 4.5%); opacity: 0.65; }
.f3 { transform: translateZ(0); opacity: 0.85; }

.f4.gold {
  transform: translateZ(60px) translate(4%, -4%);
  border-color: oklch(0.8 0.06 70 / 0.65);
  box-shadow: 0 50px 100px oklch(0 0 0 / 0.5), 0 0 44px oklch(0.8 0.06 70 / 0.12);
}

.f4.gold i:first-child { background: oklch(0.8 0.06 70 / 0.55); }

/* --- exploded product (Engineering) --- */
.pd-stack {
  position: relative;
  width: 34%;
  aspect-ratio: 9 / 17;
  transform-style: preserve-3d;
  animation: pdTurn 16s ease-in-out infinite alternate;
}

@keyframes pdTurn {
  from { transform: rotateX(6deg) rotateY(24deg) translateY(0); }
  to { transform: rotateX(12deg) rotateY(-2deg) translateY(-16px); }
}

.pd-layer {
  position: absolute;
  inset: 0;
  border-radius: 26px;
}

.pd-back {
  transform: translateZ(-70px);
  background: oklch(0.2 0.006 270);
  border: 1px solid oklch(0.95 0.01 90 / 0.14);
  box-shadow: 0 60px 110px oklch(0 0 0 / 0.5);
}

.pd-mid {
  transform: translateZ(0);
  background: oklch(0.16 0.005 270 / 0.85);
  border: 1px solid oklch(0.95 0.01 90 / 0.22);
  padding: 18% 12%;
  display: flex;
  flex-direction: column;
  gap: 9%;
}

.pd-mid i {
  display: block;
  height: 5.5%;
  border-radius: 99px;
  background: oklch(0.95 0.01 90 / 0.18);
}

.pd-mid i:first-child { height: 16%; border-radius: 10px; background: oklch(0.95 0.01 90 / 0.1); border: 1px solid oklch(0.95 0.01 90 / 0.12); }

.pd-mid i:nth-child(2) { width: 72%; }
.pd-mid i:nth-child(4) { width: 50%; }

.pd-front {
  transform: translateZ(72px);
  border: 1px solid oklch(0.8 0.06 70 / 0.5);
  background: linear-gradient(150deg, oklch(0.95 0.01 90 / 0.07), oklch(0.95 0.01 90 / 0.015));
  backdrop-filter: blur(1px);
  box-shadow: 0 0 50px oklch(0.8 0.06 70 / 0.1);
}

.pd-notch {
  position: absolute;
  top: 5%;
  left: 50%;
  translate: -50%;
  width: 34%;
  height: 2.4%;
  border-radius: 99px;
  background: oklch(0.95 0.01 90 / 0.3);
}

.pd-btn {
  position: absolute;
  bottom: 6%;
  left: 18%;
  right: 18%;
  height: 6.5%;
  border-radius: 99px;
  background: oklch(0.8 0.06 70 / 0.3);
  border: 1px solid oklch(0.8 0.06 70 / 0.55);
}

@media (prefers-reduced-motion: reduce) {
  .sb-stack { animation: none; transform: rotateX(12deg) rotateY(-16deg); }
  .pd-stack { animation: none; transform: rotateX(8deg) rotateY(14deg); }
}

/* ============ Frames ============ */
.frames {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 130px 48px 60px;
}

.frames h2 {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 200;
  line-height: 1.25;
  margin: 0 0 60px;
  max-width: 640px;
  letter-spacing: 0.01em;
}

.frames-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 6px;
  height: 64vh;
}

.frame {
  position: relative;
  overflow: hidden;
  background: oklch(0.95 0.01 90 / 0.06);
  box-shadow: inset 0 0 0 1px oklch(0.95 0.01 90 / 0.14);
}

.frame .img-slot { filter: brightness(0.88); }

/* ============ Epilogue ============ */
.epilogue {
  position: relative;
  min-height: 80vh;
  min-height: 80dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100px 24px;
  text-align: center;
}

.epilogue h2 {
  font-size: clamp(52px, 9vw, 148px);
  font-weight: 200;
  line-height: 1.1;
  padding-bottom: 0.08em;
  margin: 0;
  max-width: 1100px;
  letter-spacing: -0.01em;
  background: linear-gradient(100deg, oklch(0.97 0.01 90) 30%, oklch(0.8 0.06 70) 55%, oklch(0.97 0.01 90) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.contact-link {
  margin-top: 56px;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: oklch(0.95 0.004 90 / 0.85);
  text-decoration: none;
  border-bottom: 1px solid oklch(0.95 0.004 90 / 0.4);
  padding-bottom: 8px;
  transition: opacity 0.3s;
}

.contact-link:hover { opacity: 0.65; }

.contact-socials {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px 34px;
  margin-top: 44px;
}

.contact-socials a {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: oklch(0.95 0.004 90 / 0.55);
  text-decoration: none;
  transition: color 0.3s;
}

.contact-socials a:hover { color: oklch(0.8 0.06 70); }

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .nav { padding: 20px 24px; }

  .nav.nav-open {
    mix-blend-mode: normal;
    isolation: isolate;
    transition: transform 0.5s cubic-bezier(0.16,1,0.3,1), opacity 0.4s ease,
                mix-blend-mode 0.01s linear 0s;
  }

  .nav-toggle { display: flex; position: relative; z-index: 56; }

  .nav-links {
    position: fixed;
    inset: 0 0 0 auto;
    z-index: 55;
    width: min(78vw, 320px);
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 30px;
    padding: 100px 42px;
    font-size: 15px;
    letter-spacing: 0.1em;
    background: oklch(0 0 0 / 1);
    box-shadow: -40px 0 90px oklch(0 0 0 / 0.6);
    isolation: isolate;
    mix-blend-mode: normal;
    transform: translateX(100%);
    transition: transform 0.5s cubic-bezier(0.16,1,0.3,1);
    opacity: 1;
    pointer-events: none;
  }

  .nav.nav-open .nav-links {
    transform: translateX(0);
    pointer-events: auto;
  }

  .nav-links a,
  .nav-links .lang-toggle {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.16,1,0.3,1);
  }

  .nav.nav-open .nav-links a,
  .nav.nav-open .nav-links .lang-toggle {
    opacity: 1;
    transform: translateY(0);
    transition-duration: 0.45s;
  }

  .nav.nav-open .nav-links a:nth-child(1) { transition-delay: 0.12s; }
  .nav.nav-open .nav-links a:nth-child(2) { transition-delay: 0.2s; }
  .nav.nav-open .nav-links a:nth-child(3) { transition-delay: 0.28s; }
  .nav.nav-open .nav-links a:nth-child(4) { transition-delay: 0.36s; }
  .nav.nav-open .nav-links .lang-toggle { transition-delay: 0.44s; }

  .nav-links .lang-toggle {
    margin-top: 6px;
    align-self: flex-start;
  }

  .works-intro,
  .frames { padding-left: 24px; padding-right: 24px; }

  .work-tag { left: 24px; top: 24px; }
  .work-caption { left: 24px; right: 24px; bottom: 32px; }

  .split {
    grid-template-columns: 1fr;
    padding: 80px 24px;
    gap: 40px;
  }
  .pad-left, .pad-right { padding-left: 0; padding-right: 0; }
  .order-first { order: 1; }
  .split-media { height: 50vh; }

  .frames-grid {
    grid-template-columns: 1fr;
    height: auto;
  }
  .frame { height: 40vh; }
}

@media (max-width: 480px) {
  .nav { padding: 16px 18px; }
  .nav-brand { font-size: 11px; }
  .nav-links { padding: 90px 32px; gap: 24px; }

  .hero { padding: 0 18px; }
  .hero-title { padding-bottom: 48px; }

  .works { padding: 110px 0 40px; }
  .works-intro { padding: 0 18px 60px; }
  .work-panel { height: 78vh; }
  .work-tag { left: 18px; top: 18px; }
  .work-caption { left: 18px; right: 18px; bottom: 26px; }
  .work-caption p { max-width: none; }

  .split { padding: 60px 18px; gap: 32px; }
  .split-media { height: 40vh; }

  .frames { padding: 100px 18px 40px; }
  .frame { height: 32vh; }

  .epilogue { padding: 70px 18px; }
  .contact-socials { gap: 14px 22px; margin-top: 36px; }
  .contact-socials a { font-size: 10px; }
}

/* ============ Cross-page view transitions ============ */
/* Progressive enhancement — unsupported browsers just do a normal navigation. */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.45s;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }
}