/* =========================================================
   FONTS — tự host. Tiêu đề: Criteria CF. Chữ thường: Pangea.
   ========================================================= */
@font-face {
  font-family: "Pangea";
  src: url("../assets/fonts/Pangea-Light.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Pangea";
  src: url("../assets/fonts/Pangea-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Pangea";
  src: url("../assets/fonts/Pangea-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Pangea";
  src: url("../assets/fonts/Pangea-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Pangea";
  src: url("../assets/fonts/Pangea-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* Criteria CF — font tiêu đề (--f-display). */
@font-face {
  font-family: "Criteria CF";
  src: url("../assets/fonts/CriteriaCF-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Criteria CF";
  src: url("../assets/fonts/CriteriaCF-DemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Criteria CF";
  src: url("../assets/fonts/CriteriaCF-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Criteria CF";
  src: url("../assets/fonts/CriteriaCF-ExtraBold.woff2") format("woff2");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* =========================================================
   TOKENS — ý tưởng: portfolio như một file Figma.
   Nền = canvas, nội dung = frame, màu nhấn = xanh "selection".
   ========================================================= */
:root {
  --canvas: #ececef;
  --frame: #ffffff;
  --ink: #17171c;
  --muted: #6c6c78;
  --line: rgba(23, 23, 28, 0.12);
  --dot: rgba(23, 23, 28, 0.14);
  --select: #15803d;
  --select-text: #15803d; /* chữ xanh trên nền trắng: 5.0:1 */
  --peer: #e23d8b;
  --on-select: #ffffff;
  --glass: rgba(255, 255, 255, 0.72);

  --f-display: "Criteria CF", "Pangea", system-ui, sans-serif;
  --f-body: "Pangea", system-ui, sans-serif;

  --wrap: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --canvas: #1c1c20;
  --frame: #26262b;
  --ink: #f1f1f4;
  --muted: #9a9aa6;
  --line: rgba(241, 241, 244, 0.12);
  --dot: rgba(241, 241, 244, 0.12);
  --select: #4ade80;
  --select-text: #4ade80; /* trên nền tối: 9.8:1 */
  --peer: #ff62ab;
  --on-select: #17171c;
  --glass: rgba(38, 38, 43, 0.72);
  color-scheme: dark;
}

/* ========== Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ol, ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--select-text); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--select); color: var(--on-select); }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.muted { color: var(--muted); }
.title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(36px, 6vw, 80px);
  line-height: 1;
  letter-spacing: -0.035em;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 0 26px;
  border-radius: 999px;
  font-weight: 500;
  white-space: nowrap;
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  will-change: transform;
}
.btn--sm { height: 38px; padding: 0 18px; font-size: 14px; }
.btn--primary { background: var(--select); color: var(--on-select); }
.btn--primary:hover { box-shadow: 0 10px 30px -8px var(--select); }
.btn--ghost { box-shadow: inset 0 0 0 1px var(--line); }
.btn--ghost:hover { box-shadow: inset 0 0 0 1px var(--ink); }

/* ========== Top bar ========== */
.topbar {
  position: fixed;
  z-index: 60;
  inset: 0 0 auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px var(--gutter) 28px;
  background: linear-gradient(var(--canvas) 45%, transparent);
  transition: background 0.4s var(--ease);
}
.file { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 500; }
.file__mark {
  width: 22px; height: 22px; border-radius: 6px;
  background:
    radial-gradient(circle at 70% 30%, var(--peer) 0 4px, transparent 4.5px),
    var(--select);
}
.topbar__right { display: flex; align-items: center; gap: 14px; }
.presence {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--muted);
  padding: 8px 14px; border-radius: 999px;
  background: var(--glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 0 0 1px var(--line);
}
.presence__dot { width: 8px; height: 8px; border-radius: 50%; background: #1fbf6a; box-shadow: 0 0 0 4px rgba(31, 191, 106, 0.18); }
@media (max-width: 720px) {
  .presence { display: none; }
  .file__path .muted { display: none; }
}

/* ========== Dock (toolbar dưới) ========== */
.dock {
  position: fixed;
  z-index: 60;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 6px;
  border-radius: 16px;
  background: var(--glass);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: inset 0 0 0 1px var(--line), 0 12px 40px -12px rgba(0, 0, 0, 0.25);
}
.dock__item {
  font-size: 14px; font-weight: 500;
  padding: 9px 14px; border-radius: 10px;
  color: var(--muted);
  transition: background-color 0.25s, color 0.25s;
}
.dock__item:hover, .dock__item.is-active { color: var(--ink); background: var(--line); }
.dock__item.is-active { color: var(--on-select); background: var(--select); }
.dock__sep { width: 1px; height: 22px; background: var(--line); margin: 0 4px; }
.dock__lang { display: flex; gap: 2px; margin-right: 2px; }
.dock__lang button {
  font-size: 13px; font-weight: 600; letter-spacing: 0.02em;
  min-width: 34px; height: 34px; border-radius: 9px;
  color: var(--muted);
  transition: background-color 0.25s, color 0.25s;
}
.dock__lang button:hover { color: var(--ink); background: var(--line); }
.dock__lang button[aria-pressed="true"] { color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--select); }
.theme-toggle {
  position: relative; width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center;
}
.theme-toggle:hover { background: var(--line); }
.theme-toggle svg {
  position: absolute; width: 19px; height: 19px;
  fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round;
  transition: transform 0.6s var(--ease), opacity 0.4s;
}
:root[data-theme="light"] .i-moon, :root:not([data-theme]) .i-moon { transform: rotate(-90deg) scale(0.4); opacity: 0; }
:root[data-theme="dark"] .i-sun { transform: rotate(90deg) scale(0.4); opacity: 0; }
@media (max-width: 520px) {
  .dock { width: calc(100% - 32px); justify-content: space-between; }
  .dock__item--opt { display: none; }
  .dock__item { padding: 9px 8px; font-size: 13px; }
}

/* View-transition: đổi theme bằng vòng tròn lan ra */
::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-content: center;
  gap: 40px;
  padding: 120px var(--gutter) 120px;
  max-width: var(--wrap);
  margin-inline: auto;
}
.hero__canvas {
  position: absolute;
  inset: 0 calc(50% - 50vw);
  z-index: -1;
  background-image: radial-gradient(var(--dot) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 45%, #000 40%, transparent 100%);
  mask-image: radial-gradient(ellipse 70% 70% at 50% 45%, #000 40%, transparent 100%);
}

.frame { position: relative; justify-self: start; }
.frame__name {
  display: block;
  font-size: 13px; font-weight: 500;
  color: var(--select-text);
  margin-bottom: 8px;
}
.frame__box {
  position: relative;
  display: block;
  padding: clamp(10px, 1.6vw, 22px) clamp(14px, 2vw, 28px);
  outline: 1.5px solid var(--select);
  outline-offset: 0;
}
.h {
  position: absolute;
  width: 9px; height: 9px;
  background: var(--frame);
  border: 1.5px solid var(--select);
}
.h--tl { top: -5px; left: -5px; }
.h--tr { top: -5px; right: -5px; }
.h--bl { bottom: -5px; left: -5px; }
.h--br { bottom: -5px; right: -5px; }
.frame__size {
  position: absolute;
  left: 50%; bottom: -34px;
  transform: translateX(-50%);
  font-size: 12px; font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--on-select);
  background: var(--select);
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
}

.hero__title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(64px, 14.5vw, 232px);
  line-height: 0.86;
  letter-spacing: -0.055em;
  font-variation-settings: "opsz" 96;
}
/* Chỉ cắt cạnh dưới (chữ trượt lên từ đó). Không dùng overflow: hidden vì sẽ cắt
   dấu tiếng Việt phía trên và nét chữ cuối tràn sang phải do letter-spacing âm. */
.line { display: block; clip-path: inset(-1em -1em 0 -1em); padding-bottom: 0.06em; }
.line__in { display: block; }

.hero__aside {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 28px;
  margin-top: 28px;
}
.hero__lead { max-width: 46ch; font-size: clamp(17px, 1.5vw, 20px); color: var(--muted); }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__reel { margin-top: 24px; }
.hero__reel-box { position: relative; }
.reel-unmute {
  position: absolute;
  left: 50%; bottom: 20px;
  transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 10px;
  height: 52px; padding: 0 22px;
  border: 0; border-radius: 999px;
  font: 600 15px/1 var(--f-body);
  color: var(--on-select);
  background: var(--select);
  box-shadow: 0 12px 32px -10px rgba(0, 0, 0, 0.45);
  cursor: pointer;
  animation: reel-pulse 2s var(--ease-io) infinite;
}
.reel-unmute[hidden] { display: none; }
.reel-unmute svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.reel-unmute svg path:first-child { fill: currentColor; }
@keyframes reel-pulse {
  0%, 100% { box-shadow: 0 12px 32px -10px rgba(0, 0, 0, 0.45), 0 0 0 0 var(--select); }
  50% { box-shadow: 0 12px 32px -10px rgba(0, 0, 0, 0.45), 0 0 0 10px transparent; }
}
.hero__reel video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--frame);
  border-radius: 12px;
  outline: 1px solid var(--line);
}

/* Con trỏ multiplayer */
.mp-cursor {
  position: absolute;
  top: 0; left: 0;
  z-index: 5;
  pointer-events: none;
  display: flex; align-items: flex-start;
  will-change: transform;
}
.mp-cursor svg { width: 16px; height: 20px; fill: var(--c); stroke: #fff; stroke-width: 1.2; }
.mp-cursor span {
  margin: 14px 0 0 -2px;
  padding: 3px 9px;
  border-radius: 999px 999px 999px 4px;
  background: var(--c);
  color: #fff;
  font-size: 12px; font-weight: 600;
  white-space: nowrap;
}
.mp-cursor--quan { --c: var(--peer); }
.mp-cursor--you { --c: var(--select); opacity: 0; transition: opacity 0.3s; }
.hero:hover .mp-cursor--you { opacity: 1; }
@media (hover: none) { .mp-cursor--you { display: none; } }

/* ========== Statement ========== */
.statement { padding-block: clamp(80px, 14vw, 200px); }
.statement__text {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(26px, 3.6vw, 52px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  max-width: 24ch;
}
.statement__text .w { opacity: 0.16; transition: opacity 0.2s; }
.no-motion .statement__text .w, html:not(.motion) .statement__text .w { opacity: 1; }

.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: clamp(56px, 8vw, 104px);
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.facts dt { font-family: var(--f-display); font-weight: 800; font-size: clamp(22px, 2.4vw, 32px); letter-spacing: -0.02em; }
.facts dd { color: var(--muted); font-size: 15px; }
@media (max-width: 820px) { .facts { grid-template-columns: 1fr 1fr; } }

/* ========== Work — frames ========== */
.work { padding-bottom: clamp(80px, 10vw, 140px); }

.work__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 48px; }
.work__hint { color: var(--muted); font-size: 14px; }
.work__pin { overflow: hidden; }
.work__track {
  display: flex;
  gap: clamp(20px, 3vw, 40px);
  padding-inline: var(--gutter);
  width: max-content;
}
.card { width: min(72vw, 880px); flex: none; display: block; min-width: 420px; }
.card__label {
  display: flex; justify-content: space-between;
  font-size: 13px; color: var(--muted);
  margin-bottom: 8px;
  transition: color 0.3s;
}
.card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--frame);
  overflow: hidden;
  box-shadow: 0 1px 0 var(--line), 0 30px 60px -30px rgba(0, 0, 0, 0.25);
}
.card__media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); }
.card__media::after {
  content: "";
  position: absolute; inset: 0;
  outline: 1.5px solid var(--select);
  outline-offset: -1.5px;
  opacity: 0;
  transition: opacity 0.3s;
}
.card:hover .card__media::after, .card:focus-visible .card__media::after { opacity: 1; }
.card:hover .card__label { color: var(--select-text); }
.card__body {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 24px;
  align-items: start;
  padding-top: 18px;
}
.card__title { font-family: var(--f-display); font-weight: 800; font-size: clamp(26px, 3vw, 40px); letter-spacing: -0.03em; line-height: 1.05; }
.card__summary { grid-column: 1 / -1; color: var(--muted); max-width: 60ch; }
.card__tags { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.tag { font-size: 12px; padding: 4px 10px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--line); white-space: nowrap; }
.card__placeholder { height: 100%; display: grid; place-items: center; color: var(--muted); font-size: 14px; }

@media (max-width: 900px) {
  .work__hint { display: none; }
  .work__track { flex-direction: column; width: 100%; }
  .card { width: 100%; min-width: 0; }
  .card__body { grid-template-columns: 1fr; }
  .card__tags { justify-content: flex-start; }
}

@media (min-width: 901px) {
  .work { min-height: 100svh; padding: 88px 0 120px; display: flex; flex-direction: column; justify-content: center; }
  .work__head { margin-bottom: 28px; }
  .card { width: min(72vw, calc((100svh - 460px) * 1.6)); }
}

/* ========== Process — flow ========== */
.process { padding-block: clamp(80px, 10vw, 140px); }
.flow { position: relative; margin-top: 64px; }
.flow__line { position: absolute; top: -4px; z-index: 0; left: 0; width: 100%; height: 40px; overflow: visible; }
.flow__line path { fill: none; stroke: var(--select); stroke-width: 2; vector-effect: non-scaling-stroke; }
.flow__steps { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.step__n {
  display: grid; place-items: center;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--frame);
  box-shadow: inset 0 0 0 2px var(--select);
  color: var(--select-text);
  font-weight: 600; font-size: 14px;
  margin-bottom: 28px;
}
.step h3 { font-family: var(--f-display); font-weight: 800; font-size: 26px; letter-spacing: -0.02em; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 16px; max-width: 32ch; }
@media (max-width: 820px) {
  .flow__line { display: none; }
  .flow__steps { grid-template-columns: 1fr; gap: 36px; border-left: 2px solid var(--select); padding-left: 24px; }
  .step__n { margin-bottom: 12px; margin-left: -41px; }
}

/* ========== Experience ========== */
.experience { padding-block: clamp(80px, 10vw, 140px); }
.jobs { margin-top: 48px; }
.job {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  transition: background-color 0.3s;
}
.job:last-child { border-bottom: 1px solid var(--line); }
.job__time { color: var(--muted); font-size: 15px; font-variant-numeric: tabular-nums; }
.job h3 { font-family: var(--f-display); font-weight: 800; font-size: 24px; letter-spacing: -0.02em; }
.job__role { color: var(--muted); font-size: 15px; }
.job__desc { color: var(--muted); }
@media (max-width: 820px) { .job { grid-template-columns: 1fr; gap: 6px; } }

.toolkit {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 72px;
}
.toolkit h3 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.toolkit p { color: var(--muted); font-size: 15px; }
@media (max-width: 820px) { .toolkit { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .toolkit { grid-template-columns: 1fr; } }

/* ========== Contact ========== */
.contact {
  background: var(--frame);
  padding-top: clamp(96px, 14vw, 200px);
  padding-bottom: 110px;
  border-top: 1px solid var(--line);
}
.contact__title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(44px, 9vw, 140px);
  line-height: 0.92;
  letter-spacing: -0.05em;
}
.contact__mail {
  display: inline-block;
  margin: 48px 0 40px;
  font-size: clamp(20px, 3.4vw, 40px);
  font-weight: 500;
  word-break: break-all;
}
.frame__box--inline { display: inline-block; outline-color: transparent; transition: outline-color 0.25s; }
.frame__box--inline .h { opacity: 0; transition: opacity 0.25s; }
.contact__mail:hover .frame__box--inline, .contact__mail:focus-visible .frame__box--inline { outline-color: var(--select); }
.contact__mail:hover .h, .contact__mail:focus-visible .h { opacity: 1; }
.contact__links { display: flex; flex-wrap: wrap; gap: 12px 32px; color: var(--muted); }
.contact__links a:hover { color: var(--ink); }

.footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  margin-top: clamp(80px, 10vw, 140px);
  padding-top: 24px;
  background: linear-gradient(var(--line), var(--line)) var(--gutter) 0 / calc(100% - 2 * var(--gutter)) 1px no-repeat;
  color: var(--muted); font-size: 14px;
}

/* ========== Trạng thái ban đầu cho animation (chỉ khi JS + motion bật) ========== */
.motion .hero__title .line__in { transform: translate(0, 135%); }
.motion .frame:not(.is-selected) .frame__box { outline-color: transparent; }
.frame__box { transition: outline-color 0.4s var(--ease); }
.motion .frame .h, .motion .frame__name, .motion .frame__size { opacity: 0; }
.motion .hero__aside, .motion .hero__reel, .motion .mp-cursor--quan { opacity: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ========== Case study ========== */
.case { padding-top: 120px; }
.case__back { display: inline-block; color: var(--muted); font-size: 14px; margin-bottom: 40px; }
.case__back:hover { color: var(--ink); }
.case__head { display: grid; gap: 24px; }
.case__title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(52px, 11vw, 168px);
  line-height: 0.88;
  letter-spacing: -0.055em;
}
.case__info {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line);
  font-size: 15px;
}
.case__info dt { color: var(--muted); font-size: 13px; }
.case__cover { width: 100%; margin-top: 56px; background: var(--frame); aspect-ratio: 16 / 10; object-fit: cover; }
.case__block { display: grid; grid-template-columns: 220px 1fr; gap: 24px; padding: 56px 0; border-bottom: 1px solid var(--line); }
.case__block h2 { font-size: 15px; font-weight: 600; color: var(--select-text); }
.case__block p { font-size: clamp(18px, 1.6vw, 22px); max-width: 60ch; }
.case__text p + p { margin-top: 1em; }
.case__gallery { display: grid; gap: clamp(16px, 2vw, 28px); margin: 56px 0; }
.case__gallery img { width: 100%; background: var(--frame); }
.case__next { display: block; padding: 80px 0 120px; border-top: 1px solid var(--line); }
.case__next span { color: var(--muted); font-size: 14px; }
.case__next strong {
  display: block; margin-top: 8px;
  font-family: var(--f-display); font-weight: 800;
  font-size: clamp(40px, 8vw, 120px); line-height: 0.9; letter-spacing: -0.05em;
  transition: color 0.3s;
}
.case__next:hover strong { color: var(--select-text); }
@media (max-width: 720px) {
  .case__info { grid-template-columns: 1fr 1fr; }
  .case__block { grid-template-columns: 1fr; gap: 8px; }
}

/* Đổi ngôn ngữ = tải lại trang; chuyển cảnh mượt trên trình duyệt hỗ trợ */
@view-transition { navigation: auto; }