:root {
  --ink: #e97aff;
  --paper: #ffffff;
  --white: #ffffff;
  --muted: #67645f;
  --line: rgba(17, 17, 17, 0.14);
  --accent: #ff5a36;
  --accent-2: #d9ff57;
  --dark-card: #1a1a1a;
  --radius-lg: 28px;
  --radius-md: 20px;
  --shadow: 0 24px 70px rgba(17, 17, 17, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

img {
  display: block;
  width: 100%;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.section-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 112px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px max(24px, calc((100vw - 1180px) / 2));
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  border-bottom: 1px solid rgba(17, 17, 17, 0.08);
  backdrop-filter: blur(16px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  display: block;

  width:60px;
  height:60px;

  object-fit: contain;
  flex: 0 0 36px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-copy strong {
  font-size: 14px;
  letter-spacing: 0.08em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.18em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  font-weight: 650;
}

.main-nav a {
  position: relative;
}

.main-nav a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 1px;
  background: var(--ink);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

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

.nav-cta {
  padding: 11px 18px;
  color: var(--white);
  background: var(--ink);
  border-radius: 999px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent
  border: 0px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  min-height: calc(100svh - 81px);
  padding: 72px 0 88px;
  gap: 68px;
}

.eyebrow {
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.about-copy h2,
.contact-panel h2 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(58px, 7.6vw, 110px);
}

.hero-text {
  max-width: 620px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 1.6vw, 22px);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-weight: 750;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: var(--white);
  background: var(--ink);
}

.button.primary:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.button.secondary {
  background: transparent;
}

.button.secondary:hover {
  color: var(--white);
  background: var(--ink);
}

.button.large {
  min-height: 58px;
  padding-inline: 28px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.hero-tags span,
.viz-chip {
  padding: 7px 12px;
  background: rgba(17, 17, 17, 0.06);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.hero-art {
  position: relative;
  min-height: 590px;
  overflow: hidden;
  background: #dbff5f;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 42px;
  box-shadow: var(--shadow);
}

.hero-art::before {
  position: absolute;
  inset: 7%;
  border: 1px dashed rgba(17, 17, 17, 0.28);
  border-radius: 34px;
  content: "";
}

.hero-orbit {
  position: absolute;
  border: 1px solid rgba(17, 17, 17, 0.42);
  border-radius: 50%;
}

.orbit-a {
  top: 17%;
  right: -14%;
  width: 74%;
  aspect-ratio: 1;
}

.orbit-b {
  bottom: -25%;
  left: -10%;
  width: 70%;
  aspect-ratio: 1;
}

.hero-cube {
  position: absolute;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--ink);
  border-radius: 24px;
  font-size: 22px;
  font-weight: 900;
  box-shadow: 0 18px 30px rgba(17, 17, 17, 0.2);
  transform: rotate(-10deg);
}

.cube-one {
  top: 15%;
  left: 12%;
  width: 148px;
  height: 148px;
}

.cube-two {
  right: 11%;
  bottom: 15%;
  width: 184px;
  height: 184px;
  color: var(--ink);
  background: var(--accent);
  transform: rotate(12deg);
}

.hero-card {
  position: absolute;
  display: grid;
  place-items: center;
  min-width: 150px;
  min-height: 80px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(17, 17, 17, 0.14);
  border-radius: 18px;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.08em;
  box-shadow: 0 14px 28px rgba(17, 17, 17, 0.12);
}

.card-a {
  top: 42%;
  left: 30%;
  transform: rotate(6deg);
}

.card-b {
  top: 18%;
  right: 10%;
  transform: rotate(-7deg);
}

.card-c {
  bottom: 12%;
  left: 12%;
  transform: rotate(7deg);
}

.hero-spark {
  position: absolute;
  font-size: 46px;
}

.spark-a {
  top: 8%;
  right: 42%;
}

.spark-b {
  right: 8%;
  bottom: 45%;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-block: 1px solid var(--line);
}

.trust-strip div {
  padding: 22px 12px;
  border-right: 1px solid var(--line);
  text-align: center;
  font-size: 13px;
  font-weight: 750;
}

.trust-strip div:last-child {
  border-right: 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 48px;
}

.section-heading h2,
.about-copy h2,
.contact-panel h2 {
  font-size: clamp(42px, 5vw, 72px);
}

.section-heading > p {
  max-width: 450px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.filter-button {
  padding: 10px 16px;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.filter-button:hover,
.filter-button.active {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 42px 24px;
}

.project-card {
  min-width: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.project-card.hidden {
  display: none;
}

.project-image {
  overflow: hidden;
  background: #e6e1d7;
  border-radius: var(--radius-lg);
}

.project-image img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.project-card:hover .project-image img {
  transform: scale(1.035);
}

.project-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 4px 0;
}

.project-info p {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-info h3 {
  margin: 0;
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.2;
}

.project-arrow {
  display: grid;
  flex: 0 0 46px;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 20px;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.project-card:hover .project-arrow {
  color: var(--white);
  background: var(--ink);
  transform: rotate(8deg);
}

.service-section {
  color: var(--white);
  background: var(--ink);
}

.section-heading.light > p {
  color: rgba(255, 255, 255, 0.62);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  padding: 32px;
  background: var(--dark-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
}

.service-number {
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.service-card h3 {
  margin: 40px 0 10px;
  font-size: 28px;
}

.service-card > p {
  max-width: 520px;
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
}

.service-card ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 28px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  gap: 8px 24px;
  list-style: none;
}

.service-card li {
  position: relative;
  padding-left: 16px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 14px;
}

.service-card li::before {
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--accent-2);
  border-radius: 50%;
  content: "";
}

.process-list {
  border-top: 1px solid var(--line);
}

.process-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.process-item > span {
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
}

.process-item h3 {
  margin: 0 0 7px;
  font-size: 26px;
}

.process-item p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
}

.about-section {
  background: #d9ff57;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 80px;
}

.about-visual {
  position: relative;
  display: flex;
  min-height: 520px;
  flex-direction: column;
  justify-content: center;
  padding: 32px;
  overflow: hidden;
  background: var(--ink);
  border-radius: 36px;
}

.about-word {
  position: relative;
  z-index: 2;
  color: var(--white);
  font-size: clamp(56px, 7vw, 96px);
  font-weight: 950;
  line-height: 0.88;
  letter-spacing: -0.07em;
}

.about-word.outline {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--white);
}

.about-dot {
  position: absolute;
  border-radius: 50%;
}

.dot-1 {
  top: 8%;
  right: 8%;
  width: 140px;
  height: 140px;
  background: var(--accent);
}

.dot-2 {
  right: 16%;
  bottom: -5%;
  width: 220px;
  height: 220px;
  background: var(--accent-2);
}

.about-copy > p:not(.eyebrow) {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(17, 17, 17, 0.72);
  font-size: 17px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 42px;
  border-top: 1px solid rgba(17, 17, 17, 0.18);
}

.about-stats div {
  display: flex;
  flex-direction: column;
  padding-top: 24px;
}

.about-stats strong {
  font-size: 34px;
  line-height: 1;
}

.about-stats span {
  margin-top: 8px;
  font-size: 13px;
  font-weight: 700;
}

.contact-panel {
  padding: 58px;
  color: var(--white);
  background: var(--ink);
  border-radius: 36px;
}

.contact-panel > div:first-child {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: end;
  gap: 50px;
}

.contact-panel > div:first-child p:last-child {
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
}

.contact-panel .button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.54);
}

.contact-panel .button.secondary:hover {
  color: var(--ink);
  background: var(--white);
}

.contact-panel .button.primary {
  color: var(--ink);
  background: var(--accent-2);
  border-color: var(--accent-2);
}

.contact-panel .button.primary:hover {
  color: var(--white);
  background: var(--accent);
  border-color: var(--accent);
}

.contact-note {
  display: grid;
  grid-template-columns: 130px 1fr;
  margin-top: 42px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  gap: 20px;
}

.contact-note span {
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.contact-note p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 42px max(24px, calc((100vw - 1180px) / 2));
  border-top: 1px solid var(--line);
  gap: 30px;
}

.footer-brand strong {
  display: block;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.footer-brand p,
.copyright {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 22px;
  font-size: 13px;
  font-weight: 700;
}

.copyright {
  grid-column: 1 / -1;
  margin-top: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 980px) {
  .main-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 22px 24px 26px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 10px 0;
  }

  .nav-cta {
    margin-top: 6px;
    text-align: center;
  }

  .menu-toggle {
    display: block;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 72px;
  }

  .hero-art {
    min-height: 520px;
  }

  .trust-strip {
    grid-template-columns: repeat(3, 1fr);
  }

  .trust-strip div:nth-child(3) {
    border-right: 0;
  }

  .trust-strip div:nth-child(-n + 3) {
    border-bottom: 1px solid var(--line);
  }

  .service-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    gap: 48px;
  }

  .contact-panel > div:first-child {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 720px) {
  .section-shell {
    width: min(100% - 28px, 1180px);
  }

  .section {
    padding: 82px 0;
  }

  .site-header {
    padding: 14px;
  }

  .brand-copy {
    display: none;
  }

  .hero {
    padding: 56px 0 70px;
    gap: 44px;
  }

  .hero h1 {
    font-size: clamp(50px, 15vw, 76px);
  }

  .hero-art {
    min-height: 410px;
    border-radius: 28px;
  }

  .cube-one {
    width: 112px;
    height: 112px;
  }

  .cube-two {
    width: 132px;
    height: 132px;
  }

  .hero-card {
    min-width: 112px;
    min-height: 62px;
    padding: 14px;
    font-size: 13px;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
    margin-bottom: 34px;
    gap: 16px;
  }

  .project-grid,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .project-grid {
    gap: 34px;
  }

  .service-card {
    padding: 24px;
  }

  .service-card ul {
    grid-template-columns: 1fr;
  }

  .process-item {
    grid-template-columns: 54px 1fr;
  }

  .about-visual {
    min-height: 400px;
    border-radius: 28px;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .contact-panel {
    padding: 32px 22px;
    border-radius: 28px;
  }

  .contact-actions {
    flex-direction: column;
  }

  .contact-actions .button {
    width: 100%;
  }

  .contact-note {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding: 36px 20px;
  }

  .footer-links {
    justify-content: start;
  }
}


.case-page {
  background-color: #fff9e7;
  color: #222222;
}

.case-header {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 5%;

  display: flex;
  align-items: center;
  justify-content: space-between;
}

.back-link {
  color: inherit;
  text-decoration: none;
  font-weight: 600;
}

.back-link:hover {
  text-decoration: underline;
}

.case-hero {
  max-width: 1400px;
  margin: 0 auto;
  padding: 100px 5% 60px;
}

.case-label {
  margin-bottom: 20px;

  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.case-hero h1 {
  max-width: 1000px;
  margin: 0;

  font-size: clamp(52px, 9vw, 130px);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.case-intro {
  max-width: 700px;
  margin: 36px 0 60px;

  font-size: 20px;
  line-height: 1.7;
}

.case-cover {
  overflow: hidden;
  border-radius: 40px;
}

.case-cover img {
  display: block;
  width: 100%;
  height: auto;
}

.case-details {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 5% 100px;
}

.case-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);

  border-top: 1px solid rgba(0, 0, 0, 0.18);
  border-bottom: 1px solid rgba(0, 0, 0, 0.18);
}

.case-summary div {
  padding: 28px 20px;
}

.case-summary span,
.case-summary strong {
  display: block;
}

.case-summary span {
  margin-bottom: 8px;
  font-size: 13px;
  opacity: 0.6;
}

.case-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 100px 5%;

  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
}

.case-section-heading p {
  font-size: 13px;
  letter-spacing: 0.1em;
}

.case-section-heading h2 {
  margin-top: 12px;
  font-size: clamp(38px, 5vw, 72px);
}

.case-section-content p {
  max-width: 760px;
  margin: 0;

  font-size: 22px;
  line-height: 1.8;
}

.case-gallery {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 5%;

  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.case-gallery img {
  display: block;
  width: 100%;
  border-radius: 30px;
}

.case-gallery-large {
  grid-template-columns: 1fr;
}

.next-project {
  max-width: 1400px;
  margin: 0 auto;
  padding: 120px 5%;