@import url("./fonts.css");

/* ==========================================================================
   LEAPIDEA — 跃策创意
   Design system / tokens
   ========================================================================== */

:root {
  --ink: #0a0a09;
  --ink-soft: #121210;
  --bone: #ece7dc;
  --bone-dim: #b9b3a6;
  --paper: #e7e1d4;
  --paper-ink: #14130f;
  --accent: #ff4a1c;
  --olive: #6f7558;

  --line: rgba(236, 231, 220, 0.16);
  --line-strong: rgba(236, 231, 220, 0.32);
  --line-dark: rgba(20, 19, 15, 0.16);

  --sans: "Inter", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC",
    "Microsoft YaHei", sans-serif;
  --serif: "Instrument Serif", "Songti SC", "Noto Serif SC", "STSong", serif;

  --pad: clamp(18px, 4vw, 60px);
  --maxw: 1720px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.65, 0.05, 0.36, 1);

  --fz-display: clamp(3rem, 10.2vw, 11.6rem);
  --fz-h1: clamp(2.6rem, 6.4vw, 7rem);
  --fz-h2: clamp(2rem, 4.4vw, 4.2rem);
  --fz-h3: clamp(1.5rem, 2.3vw, 2.1rem);
  --fz-body: clamp(0.94rem, 0.95vw, 1.06rem);
  --fz-small: clamp(0.7rem, 0.72vw, 0.78rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

section[id],
div[id] {
  scroll-margin-top: 100px;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--sans);
  font-size: var(--fz-body);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-locked {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

h1,
h2,
h3,
h4,
p,
figure,
blockquote,
ul,
ol {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

::selection {
  background: var(--accent);
  color: #fff;
}

:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 4px;
}

.skip {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 200;
  background: var(--bone);
  color: var(--ink);
  padding: 10px 18px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.skip:focus {
  top: 16px;
}

/* ---------- utility ---------- */

.shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.eyebrow {
  font-size: var(--fz-small);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone-dim);
  display: flex;
  align-items: center;
  gap: 0.7em;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
  flex: none;
}

.cn {
  font-family: var(--sans);
  font-weight: 400;
}

.serif {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.italic {
  font-style: italic;
}

/* 展示型衬线/无衬线标题保持 Instrument Serif 本来的纤细优雅，
   不做描边加粗（仅正文中文保留 400 字重以保证可读性）。 */

.mono {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.hr {
  height: 1px;
  width: 100%;
  background: var(--line);
  border: 0;
}

/* ---------- preloader ---------- */

.loader {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: var(--ink);
  display: grid;
  place-items: center;
  transition: transform 1s var(--ease) 0.15s;
}

.loader__inner {
  width: min(560px, 78vw);
  text-align: center;
}

.loader__mark {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  letter-spacing: 0.14em;
  line-height: 1;
  display: flex;
  justify-content: center;
  gap: 0.02em;
}

.loader__mark span {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.5em);
  animation: markIn 0.9s var(--ease) forwards;
}

.loader__bar {
  margin-top: clamp(28px, 5vw, 46px);
  height: 1px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}

.loader__bar i {
  position: absolute;
  inset: 0;
  background: var(--bone);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s linear;
}

.loader__meta {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.loader.is-done {
  transform: translateY(-100%);
  pointer-events: none;
}

@keyframes markIn {
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- cursor ---------- */

.cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 110;
  pointer-events: none;
  mix-blend-mode: difference;
  display: none;
  opacity: 0;
  transition: opacity 0.35s;
}

.cursor.is-active {
  opacity: 1;
}

.cursor__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
  transform: translate(-50%, -50%) scale(1);
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

.cursor__label {
  position: absolute;
  top: 0;
  left: 0;
  transform: translate(-50%, -50%) scale(0.2);
  width: 92px;
  height: 92px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.9);
  display: grid;
  place-items: center;
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fff;
  opacity: 0;
  transition: transform 0.4s var(--ease), opacity 0.3s;
}

.cursor.is-view .cursor__dot {
  transform: translate(-50%, -50%) scale(0);
}
.cursor.is-view .cursor__label {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.cursor__label svg {
  width: 30px;
  height: 30px;
}

@media (hover: hover) and (pointer: fine) {
  .cursor {
    display: block;
  }
}

/* ---------- progress ---------- */

.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 100%;
  z-index: 100;
  transform-origin: left;
  transform: scaleX(0);
  background: var(--accent);
}

/* ---------- header ---------- */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 99;
  padding: clamp(14px, 2vw, 26px) var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transition: transform 0.6s var(--ease), background 0.4s, backdrop-filter 0.4s;
}

.header.is-hidden {
  transform: translateY(-102%);
}

.header.is-solid {
  background: rgba(10, 10, 9, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  line-height: 1;
}

.brand__mark {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(0.95rem, 1.35vw, 1.15rem);
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.brand__cn {
  font-size: 0.95rem;
  letter-spacing: 0.24em;
  color: var(--bone-dim);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.6vw, 42px);
}

.nav a {
  position: relative;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone-dim);
  padding-block: 4px;
  transition: color 0.3s;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--bone);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}

.nav a:hover {
  color: var(--bone);
}

.nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  padding: 11px 20px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: background 0.4s var(--ease), color 0.4s, border-color 0.4s;
  white-space: nowrap;
}

.header__cta i {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  transition: background 0.4s;
}

.header__cta:hover {
  background: var(--bone);
  color: var(--ink);
  border-color: var(--bone);
}

.header__cta:hover i {
  background: var(--ink);
}

.burger {
  display: none;
  width: 42px;
  height: 42px;
  position: relative;
  z-index: 96;
}

.burger span {
  position: absolute;
  right: 0;
  height: 1px;
  width: 26px;
  background: var(--bone);
  transition: transform 0.5s var(--ease), width 0.4s, opacity 0.3s;
}

.burger span:nth-child(1) {
  top: 17px;
}
.burger span:nth-child(2) {
  top: 25px;
  width: 18px;
}

.burger.is-open span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}
.burger.is-open span:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
  width: 26px;
}

/* ---------- mobile menu ---------- */

.menu {
  position: fixed;
  inset: 0;
  z-index: 95;
  background: var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 120px var(--pad) 40px;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.85s var(--ease);
  visibility: hidden;
}

.menu.is-open {
  clip-path: inset(0 0 0 0);
  visibility: visible;
}

.menu__links {
  display: flex;
  flex-direction: column;
  gap: 0.2em;
  margin-block: auto;
}

.menu__links a {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 12vw, 4.6rem);
  line-height: 1.08;
  display: flex;
  align-items: baseline;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.16em;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.menu.is-open .menu__links a {
  opacity: 1;
  transform: none;
}

.menu__links a small {
  font-family: var(--sans);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--accent);
}

.menu__foot {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--bone-dim);
  flex-wrap: wrap;
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  padding-top: clamp(88px, 11vh, 132px);
  padding-bottom: clamp(28px, 4vh, 48px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.hero .shell {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.hero__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: clamp(20px, 3.4vh, 44px);
}

.hero__title {
  font-family: var(--serif);
  font-size: var(--fz-display);
  line-height: 0.85;
  letter-spacing: -0.032em;
  text-transform: uppercase;
  margin-top: clamp(6px, 1.6vh, 18px);
}

.hero__title .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.03em;
  white-space: nowrap;
}

.hero__title .line > span {
  display: block;
  transform: translateY(105%);
  transition: transform 1.25s var(--ease);
}

.is-loaded .hero__title .line > span {
  transform: none;
}

.hero__title .line:nth-child(2) > span {
  transition-delay: 0.09s;
}
.hero__title .line:nth-child(3) > span {
  transition-delay: 0.18s;
}

.hero__title em {
  font-style: italic;
  color: var(--accent);
}

.hero__lower {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.16fr);
  gap: clamp(24px, 4vw, 70px);
  align-items: end;
  margin-top: auto;
  padding-top: clamp(22px, 4vh, 46px);
}

.hero__aside {
  padding-bottom: clamp(4px, 0.6vw, 10px);
  max-width: 46ch;
}

.hero__aside p {
  color: var(--bone-dim);
  font-size: clamp(0.9rem, 1.02vw, 1.02rem);
  line-height: 1.75;
  max-width: 38ch;
}

.hero__aside .cn {
  margin-top: 14px;
  color: var(--bone);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  opacity: 0.82;
}

.hero__media {
  position: relative;
  height: clamp(176px, 23vh, 290px);
  overflow: hidden;
  background: #1a1917;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.12);
  transition: transform 1.6s var(--ease) 0.1s;
}

.is-loaded .hero__media img {
  transform: scale(1);
}

.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 9, 0.55), transparent 55%);
  pointer-events: none;
}

.hero__caption {
  position: absolute;
  left: 18px;
  bottom: 16px;
  z-index: 2;
  display: flex;
  gap: 18px;
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(236, 231, 220, 0.82);
}

.hero__caption span:first-child {
  color: var(--accent);
}

.hero__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: clamp(18px, 3vh, 30px);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.hero__scroll {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.hero__scroll i {
  display: block;
  width: 1px;
  height: 26px;
  background: var(--line-strong);
  position: relative;
  overflow: hidden;
}

.hero__scroll i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bone);
  animation: scrollLine 2.2s var(--ease-io) infinite;
}

@keyframes scrollLine {
  0% {
    transform: translateY(-100%);
  }
  55%,
  100% {
    transform: translateY(100%);
  }
}

/* ---------- marquee ---------- */

.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(14px, 1.8vw, 22px) 0;
  overflow: hidden;
  display: flex;
  user-select: none;
}

.marquee--accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0a09;
}

.marquee__track {
  display: flex;
  flex: none;
  align-items: center;
  gap: 0;
  min-width: 100%;
  animation: marquee 38s linear infinite;
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

.marquee__track span {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3.1vw, 2.9rem);
  line-height: 1;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  white-space: nowrap;
  padding-inline: clamp(12px, 1.4vw, 22px);
  display: inline-flex;
  align-items: center;
  gap: clamp(12px, 1.4vw, 22px);
}

.marquee__track span::after {
  content: "";
  width: 0.34em;
  height: 0.34em;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.55;
  flex: none;
}

@keyframes marquee {
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

/* ---------- section head ---------- */

.section {
  padding-block: clamp(70px, 10vw, 150px);
}

.section--tight {
  padding-block: clamp(50px, 6vw, 90px);
}

.sec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 70px);
  align-items: end;
  margin-bottom: clamp(38px, 6vw, 82px);
  padding-bottom: clamp(18px, 2vw, 26px);
  border-bottom: 1px solid var(--line);
}

.sec-head h2 {
  font-family: var(--serif);
  font-size: var(--fz-h1);
  line-height: 0.94;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.sec-head h2 em {
  font-style: italic;
  color: var(--accent);
}

.sec-head__meta {
  justify-self: end;
  text-align: right;
  max-width: 34ch;
  color: var(--bone-dim);
  font-size: 0.88rem;
  line-height: 1.7;
}

.sec-head__meta .idx {
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

/* ---------- intro ---------- */

.intro {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: clamp(24px, 4vw, 60px);
}

.intro__label {
  padding-top: 0.5em;
}

.intro__copy {
  font-family: var(--serif);
  font-size: clamp(1.55rem, 3.15vw, 3.15rem);
  line-height: 1.18;
  letter-spacing: -0.012em;
  max-width: 26ch;
}

.intro__copy.cn,
.intro__copy .cn {
  display: block;
  font-family: var(--sans);
  font-size: clamp(0.98rem, 1.15vw, 1.15rem);
  line-height: 1.95;
  letter-spacing: 0.02em;
  color: var(--bone-dim);
  max-width: 46ch;
  margin-top: clamp(22px, 3vw, 36px);
  font-weight: 400;
}

.reveal-word {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
}

.reveal-word > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 0.9s var(--ease);
}

.reveal-word.is-in > span {
  transform: none;
}

/* ---------- work ---------- */

.work-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(30px, 4vw, 64px) clamp(20px, 3vw, 46px);
}

.card {
  display: block;
  position: relative;
}

.card:nth-child(1) {
  grid-column: 1 / span 7;
}
.card:nth-child(2) {
  grid-column: 9 / span 4;
  margin-top: clamp(40px, 9vw, 150px);
}
.card:nth-child(3) {
  grid-column: 2 / span 5;
}
.card:nth-child(4) {
  grid-column: 8 / span 5;
  margin-top: clamp(20px, 5vw, 90px);
}
.card:nth-child(5) {
  grid-column: 1 / span 5;
}
.card:nth-child(6) {
  grid-column: 7 / span 6;
  margin-top: clamp(30px, 8vw, 130px);
}

.card__media {
  position: relative;
  overflow: hidden;
  background: #171614;
  aspect-ratio: 4 / 5;
}

.card--wide .card__media {
  aspect-ratio: 3 / 2;
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform 1.2s var(--ease), filter 0.8s;
  will-change: transform;
}

.card:hover .card__media img {
  transform: scale(1.055);
  filter: saturate(1.06);
}

.card__count {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.86);
  mix-blend-mode: difference;
}

.card__body {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
}

.card__title {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.1vw, 2rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.card__title span {
  display: block;
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-dim);
  margin-top: 7px;
}

.card__year {
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--bone-dim);
  white-space: nowrap;
}

/* ---------- capabilities (light) ---------- */

.light {
  background: var(--paper);
  color: var(--paper-ink);
}

.light .eyebrow,
.light .sec-head__meta,
.light .cap__num,
.light .cap__cn {
  color: rgba(20, 19, 15, 0.55);
}

.light .sec-head,
.light .cap,
.light .process__row {
  border-color: var(--line-dark);
}

.light .sec-head__meta .idx {
  color: var(--accent);
}

.light .sec-head h2 em {
  color: var(--accent);
}

.cap {
  border-top: 1px solid var(--line-dark);
}

.cap:last-child {
  border-bottom: 1px solid var(--line-dark);
}

.cap__head {
  width: 100%;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) minmax(0, 0.9fr) 40px;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  padding-block: clamp(20px, 2.4vw, 30px);
  text-align: left;
}

.cap__num {
  font-size: 0.66rem;
  letter-spacing: 0.14em;
}

.cap__name {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3.1vw, 2.9rem);
  line-height: 1;
  letter-spacing: -0.012em;
  transition: transform 0.5s var(--ease);
}

.cap__name em {
  font-style: italic;
  opacity: 0.72;
}

.cap__cn {
  font-size: 0.74rem;
  letter-spacing: 0.14em;
}

.cap__plus {
  justify-self: end;
  position: relative;
  width: 15px;
  height: 15px;
}

.cap__plus::before,
.cap__plus::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform 0.5s var(--ease), opacity 0.4s;
}

.cap__plus::before {
  left: 0;
  top: 7px;
  width: 15px;
  height: 1px;
}

.cap__plus::after {
  top: 0;
  left: 7px;
  height: 15px;
  width: 1px;
}

.cap.is-open .cap__plus::after {
  transform: scaleY(0);
}

.cap.is-open .cap__name {
  transform: translateX(10px);
}

.cap__head:hover .cap__name {
  transform: translateX(10px);
}

.cap__panel {
  overflow: hidden;
  height: 0;
  transition: height 0.6s var(--ease);
}

.cap__panel-inner {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) minmax(0, 0.9fr);
  gap: clamp(14px, 2vw, 28px);
  padding-bottom: clamp(26px, 3vw, 40px);
}

.cap__desc {
  grid-column: 2;
  max-width: 46ch;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(20, 19, 15, 0.82);
}

.cap__desc .cn {
  display: block;
  margin-top: 10px;
  font-size: 0.82rem;
  color: rgba(20, 19, 15, 0.55);
  line-height: 1.9;
}

.cap__list {
  grid-column: 3;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-content: start;
}

.cap__list li {
  border: 1px solid rgba(20, 19, 15, 0.24);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: rgba(20, 19, 15, 0.72);
}

.cap-preview {
  position: fixed;
  top: 0;
  left: 0;
  width: 220px;
  height: 270px;
  z-index: 80;
  pointer-events: none;
  overflow: hidden;
  background: #d8d2c4;
  box-shadow: 0 18px 50px rgba(20, 19, 15, 0.28);
  transform: scale(0.94);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, transform 0.5s var(--ease), visibility 0.35s;
}

.cap-preview.is-on {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.cap-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- process ---------- */

.process {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(26px, 5vw, 80px);
  align-items: start;
}

.process__sticky {
  position: sticky;
  top: 120px;
}

.process__sticky h2 {
  font-family: var(--serif);
  font-size: var(--fz-h1);
  line-height: 0.95;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.process__sticky p {
  margin-top: 18px;
  color: var(--bone-dim);
  font-size: 0.9rem;
  max-width: 30ch;
  line-height: 1.8;
}

.process__row {
  border-top: 1px solid var(--line);
  padding-block: clamp(22px, 2.6vw, 34px);
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.process__row:last-child {
  border-bottom: 1px solid var(--line);
}

.process__num {
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--accent);
  padding-top: 0.6em;
}

.process__title {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.4vw, 2.3rem);
  line-height: 1.05;
}

.process__title span {
  display: block;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--bone-dim);
  margin-top: 8px;
}

.process__text {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--bone-dim);
}

/* ---------- studio ---------- */

.studio {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  gap: clamp(26px, 4vw, 70px);
  align-items: center;
}

.studio__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #171614;
}

.studio__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  will-change: transform;
}

.studio__body h2 {
  font-family: var(--serif);
  font-size: var(--fz-h2);
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  max-width: 16ch;
}

.studio__body p {
  margin-top: 24px;
  color: var(--bone-dim);
  max-width: 46ch;
  line-height: 1.85;
  font-size: 0.94rem;
}

.studio__body p.cn {
  font-size: 0.86rem;
  line-height: 2;
  color: rgba(236, 231, 220, 0.62);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: clamp(28px, 4vw, 46px);
  border-top: 1px solid var(--line);
  padding-top: 26px;
}

.stat b {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 400;
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 8px;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone-dim);
  line-height: 1.6;
}

/* ---------- clients ---------- */

.clients {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.clients li {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(18px, 2.4vw, 30px) clamp(14px, 1.6vw, 22px);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--bone-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  transition: background 0.4s, color 0.4s;
}

.clients li:hover {
  background: rgba(236, 231, 220, 0.045);
  color: var(--bone);
}

.clients li i {
  font-style: normal;
  font-size: 0.58rem;
  opacity: 0.4;
}

/* ---------- contact ---------- */

.contact {
  padding-top: clamp(70px, 10vw, 130px);
  border-top: 1px solid var(--line);
}

.contact__kicker {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.contact__title {
  font-family: var(--serif);
  font-size: clamp(2.9rem, 11.4vw, 12.6rem);
  line-height: 0.86;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  margin-top: clamp(20px, 3vw, 34px);
}

.contact__title em {
  font-style: italic;
  color: var(--accent);
}

.contact__mail {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: clamp(30px, 4vw, 52px);
  font-size: clamp(1.05rem, 2.1vw, 1.8rem);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 8px;
  transition: color 0.4s, border-color 0.4s;
}

.contact__mail svg {
  width: 18px;
  height: 18px;
  transition: transform 0.5s var(--ease);
}

.contact__mail:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.contact__mail:hover svg {
  transform: translate(3px, -3px);
}

.contact__phone {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  font-size: clamp(1.05rem, 2.1vw, 1.8rem);
  letter-spacing: 0.02em;
  color: rgba(236, 231, 220, 0.86);
  transition: color 0.4s;
}

.contact__phone:hover {
  color: var(--accent);
}

.contact__mail,
.contact__phone {
  font-weight: 500;
}

.contact__form {
  margin-top: clamp(44px, 6vw, 76px);
  max-width: 880px;
}

.contact__form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(18px, 3vw, 36px);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.field > span {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.field input,
.field textarea {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  color: var(--bone);
  font-family: var(--sans);
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  padding: 12px 2px;
  transition: border-color 0.4s;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(236, 231, 220, 0.34);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact__form-foot {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.contact__submit {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--bone);
  border-radius: 100px;
  padding: 14px 28px;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bone);
  transition: background 0.4s var(--ease), color 0.4s, border-color 0.4s, opacity 0.3s;
  cursor: pointer;
}

.contact__submit svg {
  width: 18px;
  height: 18px;
  transition: transform 0.5s var(--ease);
}

.contact__submit:hover {
  background: var(--bone);
  color: var(--ink);
}

.contact__submit:hover svg {
  transform: translateX(4px);
}

.contact__submit:disabled {
  opacity: 0.5;
  cursor: default;
}

.contact__form-note {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--bone-dim);
}

.contact__form-note.is-ok {
  color: #ff8c2b;
}

.contact__form-note.is-error {
  color: var(--accent);
}

.contact__cols {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 26px;
  margin-top: clamp(50px, 7vw, 90px);
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.contact__cols h3 {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-dim);
  margin-bottom: 14px;
  font-weight: 400;
}

.contact__cols p,
.contact__cols a {
  font-size: 0.84rem;
  line-height: 1.85;
  color: rgba(236, 231, 220, 0.82);
  display: block;
}

.contact__cols a:hover {
  color: var(--accent);
}

.contact__qr {
  justify-self: end;
  text-align: right;
}

.contact__qr img {
  width: 108px;
  height: 108px;
  margin-left: auto;
  object-fit: cover;
  background: #fff;
  padding: 6px;
}

.contact__qr span {
  display: block;
  margin-top: 10px;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--bone-dim);
}

.footer {
  padding-block: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  color: rgba(236, 231, 220, 0.46);
}

.footer__top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer__top:hover {
  color: var(--bone);
}

.footer__beian {
  color: rgba(236, 231, 220, 0.46);
  text-decoration: none;
  transition: color 0.3s;
}

.footer__beian:hover {
  color: var(--bone);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- case modal ---------- */

.case {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--ink);
  overflow-y: auto;
  overscroll-behavior: contain;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--ease), visibility 0.5s;
}

.case.is-open {
  opacity: 1;
  visibility: visible;
}

.case__bar {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px var(--pad);
  background: rgba(10, 10, 9, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.case__bar span {
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.case__close {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.case__close i {
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: background 0.35s, color 0.35s;
}

.case__close:hover i {
  background: var(--bone);
  color: var(--ink);
}

.case__inner {
  padding-bottom: clamp(50px, 8vw, 110px);
}

.case__hero {
  position: relative;
  margin-top: 26px;
  height: min(78vh, 760px);
  overflow: hidden;
  background: #111110;
}

.case__hero::before {
  content: "";
  position: absolute;
  inset: -60px;
  background-image: var(--case-bg, none);
  background-size: cover;
  background-position: center;
  filter: blur(60px) brightness(0.2) saturate(1.05);
  transform: scale(1.06);
}

.case__hero img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.case__head {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(24px, 4vw, 60px);
  align-items: end;
  padding-top: clamp(28px, 4vw, 48px);
}

.case__head h2 {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5.6vw, 5.6rem);
  line-height: 0.94;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}

.case__head h2 em {
  font-style: italic;
  color: var(--accent);
}

.case__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.case__meta dt {
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.case__meta dd {
  margin: 4px 0 0;
  font-size: 0.8rem;
}

.case__body {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(24px, 4vw, 60px);
  margin-top: clamp(30px, 4vw, 50px);
}

.case__text p {
  font-size: clamp(0.96rem, 1.15vw, 1.1rem);
  line-height: 1.9;
  color: rgba(236, 231, 220, 0.82);
  max-width: 62ch;
}

.case__text p + p {
  margin-top: 1em;
}

.case__quote {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2vw, 1.9rem);
  line-height: 1.3;
  border-left: 1px solid var(--accent);
  padding-left: 20px;
  align-self: start;
}

.case__next {
  margin-top: clamp(50px, 7vw, 90px);
  border-top: 1px solid var(--line);
  padding-top: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.case__next span {
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.case__next a {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.case__next a:hover {
  color: var(--accent);
}

/* ---------- reveal ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--d, 0ms);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

[data-reveal="clip"] {
  opacity: 1;
  transform: none;
}

[data-reveal="clip"] > * {
  clip-path: inset(100% 0 0 0);
  transition: clip-path 1.3s var(--ease);
}

[data-reveal="clip"].is-in > * {
  clip-path: inset(0 0 0 0);
}

/* ---------- responsive ---------- */

@media (max-width: 1100px) {
  .hero__lower {
    grid-template-columns: 1fr;
    gap: 26px;
    align-items: start;
  }
  .hero__aside {
    max-width: 52ch;
  }
  .intro {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .section .sec-head {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .sec-head__meta {
    justify-self: start;
    text-align: left;
  }
  .process {
    grid-template-columns: 1fr;
  }
  .process__sticky {
    position: static;
  }
  .studio {
    grid-template-columns: 1fr;
  }
  .clients {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact__cols {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .case__head,
  .case__body {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .nav,
  .header__cta {
    display: none;
  }
  .burger {
    display: block;
  }
  .hero {
    padding-top: 104px;
    min-height: auto;
  }
  .hero__title {
    font-size: clamp(2.9rem, 13.4vw, 6rem);
    line-height: 0.9;
  }
  .hero__media {
    height: 46vw;
    min-height: 210px;
  }
  .work-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .card:nth-child(n) {
    grid-column: auto;
    margin-top: 0;
  }
  .card__media,
  .card--wide .card__media {
    aspect-ratio: 4 / 5;
  }
  .card__title {
    font-size: 1.4rem;
  }
  .cap__head {
    grid-template-columns: 30px minmax(0, 1fr) 22px;
    gap: 12px;
  }
  .cap__cn {
    display: none;
  }
  .cap__name {
    font-size: 1.6rem;
  }
  .cap__panel-inner {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 12px;
  }
  .cap__desc {
    grid-column: 2;
  }
  .cap__list {
    grid-column: 2;
    margin-top: 6px;
  }
  .cap-preview {
    display: none;
  }
  .process__row {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
  }
  .process__text {
    grid-column: 2;
    margin-top: 4px;
  }
  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  .clients {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact__title {
    font-size: clamp(2.6rem, 12.6vw, 5rem);
  }
  .contact__cols {
    grid-template-columns: 1fr 1fr;
  }
  .contact__qr {
    justify-self: start;
    text-align: left;
  }
  .contact__qr img {
    margin-left: 0;
  }
  .contact__form-grid {
    grid-template-columns: 1fr;
  }
  .footer {
    font-size: 0.58rem;
  }
  .case__hero {
    height: min(62vh, 520px);
  }
}

@media (max-width: 480px) {
  .eyebrow {
    font-size: 0.58rem;
    letter-spacing: 0.13em;
  }
  .hero__title .line:nth-child(3) {
    white-space: nowrap;
  }
  .hero__foot {
    font-size: 0.58rem;
    letter-spacing: 0.1em;
  }
  .hero__caption {
    font-size: 0.54rem;
    gap: 10px;
    left: 12px;
    bottom: 12px;
  }
  .marquee__track span {
    font-size: 1.3rem;
  }
  .contact__cols {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
    clip-path: none;
  }
  .hero__title .line > span {
    transform: none;
  }
}