:root {
  --paper: #090c0a;
  --paper-deep: #101512;
  --ink: #f3f5ef;
  --ink-soft: #a5ada6;
  --line: rgba(255, 255, 255, 0.12);
  --acid: #bdff3f;
  --mint: #47b98b;
  --coral: #ff765f;
  --cream: #f4f6f0;
  --radius-lg: 32px;
  --radius-md: 22px;
  --page: min(1240px, calc(100vw - 64px));
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

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

::selection {
  color: var(--ink);
  background: var(--acid);
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 12px 18px;
  color: var(--cream);
  background: var(--ink);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell {
  width: var(--page);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  padding-top: 18px;
  transition: padding 240ms ease;
}

.site-header.scrolled {
  padding-top: 8px;
}

.nav-shell {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(1320px, calc(100vw - 32px));
  height: 68px;
  margin: auto;
  padding: 0 14px 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 20px;
  background: rgba(244, 241, 234, 0.78);
  box-shadow: 0 12px 44px rgba(26, 31, 27, 0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.brand,
.footer-brand {
  display: inline-flex;
  gap: 11px;
  align-items: center;
  width: max-content;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 35px;
  height: 35px;
  border-radius: 11px;
  color: var(--cream);
  background: var(--ink);
  font-family: Georgia, serif;
  padding-right: 1px;
  font-size: 16px;
  font-style: italic;
  letter-spacing: -0.08em;
}

.desktop-nav {
  display: flex;
  gap: 36px;
  align-items: center;
  color: #414641;
  font-size: 13px;
  font-weight: 600;
}

.desktop-nav a {
  position: relative;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 260ms var(--ease);
}

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

.nav-actions {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-self: end;
}

.language-switch {
  padding: 10px 2px;
  border: 0;
  color: #878b86;
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.language-active {
  color: var(--ink);
}

.language-divider {
  margin-inline: 3px;
  opacity: 0.45;
}

.nav-contact,
.button {
  display: inline-flex;
  gap: 20px;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
}

.nav-contact {
  color: var(--cream);
  background: var(--ink);
}

.nav-contact svg,
.button svg {
  width: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
  transition: transform 200ms ease;
}

.nav-contact:hover svg,
.button:hover svg {
  transform: translateX(3px);
}

.menu-button,
.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  align-items: center;
  min-height: 840px;
  padding-top: 122px;
  padding-bottom: 72px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding-bottom: 26px;
}

.eyebrow {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 0 0 30px;
  color: #525851;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow-dot {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #5aad78;
}

.eyebrow-dot::after {
  position: absolute;
  inset: -4px;
  border: 1px solid #5aad78;
  border-radius: 50%;
  content: "";
  opacity: 0.35;
}

.hero h1,
.section-heading h2,
.approach h2,
.about-copy h2,
.contact h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-weight: 400;
  letter-spacing: -0.055em;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(58px, 6.2vw, 92px);
  line-height: 0.99;
}

.hero h1 span {
  position: relative;
  z-index: 1;
  display: inline-block;
  font-style: italic;
}

.hero h1 span::after {
  position: absolute;
  z-index: -1;
  right: -8px;
  bottom: 5px;
  left: -5px;
  height: 18px;
  border-radius: 999px;
  background: var(--acid);
  content: "";
  transform: rotate(-1.5deg);
}

.hero-intro {
  max-width: 570px;
  margin: 34px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  gap: 28px;
  align-items: center;
  margin-top: 38px;
}

.button-primary {
  min-height: 54px;
  padding-inline: 24px;
  border-radius: 15px;
  color: var(--cream);
  background: var(--ink);
  box-shadow: 0 12px 30px rgba(22, 26, 23, 0.16);
  transition: transform 220ms var(--ease), box-shadow 220ms ease;
}

.button-primary:hover {
  box-shadow: 0 16px 36px rgba(22, 26, 23, 0.21);
  transform: translateY(-2px);
}

.text-link {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  padding: 9px 0 7px;
  border-bottom: 1px solid rgba(22, 26, 23, 0.35);
  font-size: 14px;
  font-weight: 700;
  transition: gap 200ms ease;
}

.text-link:hover {
  gap: 17px;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 640px;
}

.hero-visual::before {
  position: absolute;
  width: 530px;
  height: 530px;
  border-radius: 50%;
  background: linear-gradient(140deg, rgba(153, 230, 196, 0.92), rgba(201, 255, 54, 0.48));
  content: "";
  filter: saturate(0.88);
}

.orbit {
  position: absolute;
  z-index: 0;
  border: 1px solid rgba(22, 26, 23, 0.17);
  border-radius: 50%;
}

.orbit-one {
  width: 610px;
  height: 390px;
  transform: rotate(-25deg);
}

.orbit-two {
  width: 470px;
  height: 610px;
  transform: rotate(32deg);
}

.orbit-one::after,
.orbit-two::after {
  position: absolute;
  width: 11px;
  height: 11px;
  border: 5px solid var(--paper);
  border-radius: 50%;
  background: var(--ink);
  content: "";
}

.orbit-one::after {
  top: 71px;
  right: 57px;
}

.orbit-two::after {
  bottom: 88px;
  left: 20px;
}

.phone-shadow {
  position: absolute;
  z-index: 1;
  bottom: 62px;
  width: 320px;
  height: 70px;
  border-radius: 50%;
  background: rgba(22, 26, 23, 0.3);
  filter: blur(26px);
  transform: rotate(-6deg);
}

.phone {
  position: relative;
  z-index: 2;
  width: 286px;
  height: 586px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 47px;
  background: #171a18;
  box-shadow: -24px 40px 70px rgba(30, 45, 35, 0.28), inset 0 0 0 1px #4d514e;
  transform: rotate(5deg);
  animation: phone-float 5s ease-in-out infinite;
}

.phone-frame,
.phone-screen {
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 39px;
}

.phone-frame {
  position: relative;
  padding: 4px;
  background: #050605;
}

.phone-screen {
  position: relative;
  padding: 28px 19px 18px;
  color: #eef6e9;
  background: #1c2520;
}

.phone-screen::before {
  position: absolute;
  top: 66px;
  left: 50%;
  width: 390px;
  height: 390px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(144, 232, 184, 0.17), transparent 67%);
  content: "";
  transform: translateX(-50%);
}

.phone-speaker {
  position: absolute;
  z-index: 3;
  top: 11px;
  left: 50%;
  width: 88px;
  height: 23px;
  border-radius: 20px;
  background: #050605;
  transform: translateX(-50%);
}

.app-topbar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-logo {
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 9px;
  font-family: Georgia, serif;
  font-size: 9px;
  font-style: italic;
}

.app-menu {
  display: flex;
  gap: 4px;
}

.app-menu i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
}

.app-kicker {
  position: relative;
  z-index: 1;
  margin: 49px 0 10px;
  color: #a3b1a7;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.21em;
}

.phone-screen h2 {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: Georgia, serif;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.app-orb {
  position: relative;
  width: 192px;
  height: 192px;
  margin: 22px auto 8px;
}

.orb-core,
.orb-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orb-core {
  width: 87px;
  height: 87px;
  background: radial-gradient(circle at 32% 28%, #efffc2, var(--acid) 38%, #73b379 100%);
  box-shadow: 0 0 46px rgba(201, 255, 54, 0.35);
}

.orb-ring {
  border: 1px solid rgba(218, 255, 113, 0.3);
}

.ring-a {
  width: 136px;
  height: 136px;
}

.ring-b {
  width: 182px;
  height: 182px;
  border-style: dashed;
  animation: rotate-ring 18s linear infinite;
}

.app-progress {
  position: relative;
  z-index: 1;
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 7px;
  color: #aab5ae;
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.progress-track {
  display: block;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.12);
}

.progress-track span {
  display: block;
  width: 68%;
  height: 100%;
  background: var(--acid);
}

.app-cards {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 19px;
}

.app-cards div {
  display: flex;
  gap: 7px;
  align-items: center;
  padding: 12px 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: #b7c0ba;
  background: rgba(255, 255, 255, 0.04);
  font-size: 7px;
  letter-spacing: 0.12em;
}

.app-cards i {
  width: 7px;
  height: 7px;
  border: 1px solid var(--acid);
  border-radius: 50%;
}

.visual-label {
  position: absolute;
  z-index: 4;
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 13px;
  background: rgba(255, 253, 248, 0.72);
  box-shadow: 0 10px 30px rgba(22, 26, 23, 0.08);
  backdrop-filter: blur(12px);
  font-size: 11px;
  font-weight: 700;
}

.visual-label span:first-child {
  color: #7c827c;
  font-family: Georgia, serif;
  font-size: 11px;
  font-style: italic;
}

.label-top {
  top: 118px;
  right: -3px;
}

.label-bottom {
  bottom: 112px;
  left: 1px;
}

.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 0;
  display: flex;
  gap: 14px;
  align-items: center;
  color: #7f847f;
  font-size: 10px;
  letter-spacing: 0.16em;
}

.hero-scroll i {
  position: relative;
  display: block;
  width: 50px;
  height: 1px;
  overflow: hidden;
  background: rgba(22, 26, 23, 0.18);
}

.hero-scroll i::after {
  position: absolute;
  width: 20px;
  height: 1px;
  background: var(--ink);
  content: "";
  animation: scroll-line 2s ease-in-out infinite;
}

.services,
.process,
.about {
  padding-top: 150px;
  padding-bottom: 150px;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.34fr 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 68px;
}

.section-index {
  margin: 9px 0 0;
  color: #858982;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-heading > div {
  display: grid;
  grid-template-columns: minmax(380px, 1.1fr) minmax(240px, 0.65fr);
  gap: 60px;
  align-items: end;
}

.section-heading h2,
.about-copy h2 {
  font-size: clamp(44px, 5vw, 70px);
  line-height: 1.04;
}

.section-heading h2 em,
.about-copy h2 em,
.contact h2 em {
  font-weight: 400;
  text-decoration: underline;
  text-decoration-color: var(--acid);
  text-decoration-thickness: 7px;
  text-underline-offset: 4px;
}

.section-heading > div > p {
  margin: 0 0 4px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
}

.service-grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 18px;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 540px;
  overflow: hidden;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 248, 0.48);
  transition: transform 350ms var(--ease), box-shadow 350ms ease;
}

.service-card:hover {
  box-shadow: 0 30px 55px rgba(45, 48, 42, 0.09);
  transform: translateY(-6px);
}

.service-card-large {
  background: #e5e0d5;
}

.service-card-dark {
  color: var(--cream);
  background: #1b201d;
}

.service-card-accent {
  background: var(--acid);
}

.card-number {
  position: absolute;
  z-index: 2;
  top: 27px;
  right: 29px;
  display: grid;
  place-items: center;
  width: 35px;
  height: 35px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-family: Georgia, serif;
  font-size: 11px;
  font-style: italic;
  opacity: 0.48;
}

.card-copy {
  position: relative;
  z-index: 2;
  margin-top: auto;
}

.card-tag {
  margin: 0 0 9px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.13em;
  opacity: 0.55;
  text-transform: uppercase;
}

.card-copy h3 {
  margin: 0;
  font-family: Georgia, "Songti SC", serif;
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.04em;
}

.card-copy > p:last-child {
  max-width: 470px;
  margin: 13px 0 0;
  font-size: 14px;
  line-height: 1.8;
  opacity: 0.7;
}

.strategy-visual,
.design-visual,
.code-visual,
.evolve-visual {
  position: relative;
  flex: 1;
  min-height: 270px;
}

.strategy-visual {
  margin: 42px 16px 34px;
  overflow: hidden;
  border-right: 1px solid rgba(22, 26, 23, 0.12);
  border-bottom: 1px solid rgba(22, 26, 23, 0.12);
}

.strategy-visual::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(22, 26, 23, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 26, 23, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  content: "";
}

.strategy-visual svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.strategy-visual path {
  fill: none;
  stroke: #222823;
  stroke-width: 2;
  stroke-dasharray: 800;
  stroke-dashoffset: 800;
  animation: draw-line 2.8s var(--ease) 0.5s forwards;
}

.strategy-dot {
  position: absolute;
  z-index: 2;
  width: 12px;
  height: 12px;
  border: 3px solid #e5e0d5;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 1px var(--coral);
}

.dot-a { bottom: 20%; left: 34%; }
.dot-b { top: 34%; left: 65%; }
.dot-c { top: 9%; right: 0; background: var(--ink); box-shadow: 0 0 0 1px var(--ink); }

.design-visual {
  display: grid;
  place-items: center;
  padding-top: 20px;
}

.design-window {
  width: 76%;
  overflow: hidden;
  border: 1px solid rgba(22, 26, 23, 0.18);
  border-radius: 13px;
  background: #f8f5ef;
  box-shadow: 22px 28px 0 rgba(22, 26, 23, 0.06);
  transform: rotate(-3deg);
}

.window-bar {
  display: flex;
  gap: 5px;
  align-items: center;
  height: 28px;
  padding-left: 11px;
  border-bottom: 1px solid rgba(22, 26, 23, 0.1);
}

.window-bar i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #a4aaa4;
}

.window-content {
  padding: 29px 24px;
}

.wire {
  display: block;
  border-radius: 999px;
  background: #242925;
}

.wire-title { width: 58%; height: 11px; }
.wire-copy { width: 84%; height: 5px; margin-top: 11px; opacity: 0.3; }

.wire-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
  margin-top: 26px;
}

.wire-row i {
  height: 72px;
  border-radius: 8px;
  background: var(--mint);
}

.wire-row i:last-child {
  background: var(--acid);
}

.cursor-mark {
  position: absolute;
  top: 42%;
  left: 63%;
  width: 22px;
  height: 28px;
  background: var(--ink);
  clip-path: polygon(0 0, 100% 73%, 57% 76%, 39% 100%);
  filter: drop-shadow(3px 5px 0 rgba(255, 255, 255, 0.8));
}

.code-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.code-lines {
  width: 82%;
  padding: 23px 20px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  color: #dfffc2;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  line-height: 2;
  transform: rotate(2deg);
}

.code-lines span {
  display: block;
}

.code-lines i {
  display: inline-block;
  width: 30px;
  color: #67706a;
  font-style: normal;
}

.code-status {
  position: absolute;
  right: 5%;
  bottom: 14%;
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 9px 12px;
  border-radius: 7px;
  color: var(--ink);
  background: var(--acid);
  font-family: monospace;
  font-size: 9px;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.22);
}

.code-status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #42975a;
}

.evolve-visual {
  display: flex;
  gap: 36px;
  align-items: center;
  justify-content: center;
}

.evolve-ring {
  display: grid;
  place-items: center;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(22, 26, 23, 0.35);
  border-radius: 50%;
}

.evolve-ring::before,
.evolve-ring::after {
  position: absolute;
  border: 1px solid rgba(22, 26, 23, 0.16);
  border-radius: 50%;
  content: "";
}

.evolve-ring::before { width: 116px; height: 116px; }
.evolve-ring::after { width: 82px; height: 82px; }

.evolve-ring span {
  z-index: 1;
  font-size: 31px;
}

.evolve-copy {
  font-size: 11px;
  font-weight: 800;
  line-height: 2.1;
  letter-spacing: 0.17em;
}

.approach {
  padding-top: 150px;
  padding-bottom: 140px;
  color: var(--cream);
  background: var(--ink);
}

.section-index-light {
  color: #8c938e;
}

.approach-lead {
  display: grid;
  grid-template-columns: 0.25fr 0.38fr 1fr;
  gap: 32px;
  align-items: start;
  padding-bottom: 96px;
}

.approach-kicker {
  max-width: 190px;
  margin: 8px 0 0;
  color: #aeb5b0;
  font-size: 13px;
  line-height: 1.7;
}

.approach h2 {
  font-size: clamp(50px, 5.5vw, 76px);
  line-height: 1.07;
}

.approach h2 span {
  color: var(--acid);
  font-style: italic;
}

.principles {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.principle {
  display: grid;
  grid-template-columns: 0.18fr 1fr auto;
  gap: 28px;
  align-items: center;
  min-height: 180px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.principle-index {
  color: #747c76;
  font-family: Georgia, serif;
  font-size: 14px;
  font-style: italic;
}

.principle > div {
  display: grid;
  grid-template-columns: 0.66fr 1fr;
  gap: 50px;
  align-items: center;
}

.principle h3 {
  margin: 0;
  font-family: Georgia, "Songti SC", serif;
  font-size: 28px;
  font-weight: 400;
}

.principle p {
  max-width: 510px;
  margin: 0;
  color: #aeb5b0;
  font-size: 14px;
  line-height: 1.85;
}

.principle-symbol {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: var(--acid);
  font-size: 18px;
  transition: color 250ms ease, background 250ms ease, transform 250ms var(--ease);
}

.principle:hover .principle-symbol {
  color: var(--ink);
  background: var(--acid);
  transform: rotate(12deg);
}

.section-heading-compact > div {
  display: block;
}

.process-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.process-list li {
  display: grid;
  grid-template-columns: 0.15fr 0.33fr 1fr auto;
  gap: 30px;
  align-items: center;
  min-height: 150px;
  border-bottom: 1px solid var(--line);
}

.process-number {
  color: #979b95;
  font-family: Georgia, serif;
  font-size: 12px;
  font-style: italic;
}

.process-name {
  display: flex;
  gap: 15px;
  align-items: baseline;
}

.process-en {
  color: #939791;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.process-name h3 {
  margin: 0;
  font-family: Georgia, "Songti SC", serif;
  font-size: 29px;
  font-weight: 400;
}

.process-list p {
  max-width: 560px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.process-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: transform 250ms var(--ease), background 250ms ease;
}

.process-list li:hover .process-icon {
  background: var(--acid);
  transform: rotate(10deg);
}

.about {
  padding-top: 40px;
}

.about-card {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  min-height: 680px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--paper-deep);
}

.about-art {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 600px;
  overflow: hidden;
  background: var(--mint);
}

.about-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(22, 26, 23, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 26, 23, 0.09) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle, black, transparent 76%);
}

.about-letter {
  position: relative;
  z-index: 1;
  font-family: Georgia, serif;
  font-size: clamp(120px, 14vw, 205px);
  font-style: italic;
  letter-spacing: -0.12em;
  line-height: 1;
  text-shadow: 18px 20px 0 rgba(255, 255, 255, 0.38);
  transform: translateX(-3%);
}

.about-stamp {
  position: absolute;
  right: 28px;
  bottom: 27px;
  padding: 13px 16px;
  border: 1px solid rgba(22, 26, 23, 0.5);
  border-radius: 50%;
  font-size: 7px;
  font-weight: 800;
  line-height: 1.55;
  letter-spacing: 0.12em;
  text-align: center;
  transform: rotate(-8deg);
}

.about-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px clamp(40px, 6vw, 90px);
}

.about-copy h2 {
  margin: 42px 0 34px;
}

.about-copy > p:not(.section-index) {
  max-width: 520px;
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.9;
}

.about-copy .text-link {
  align-self: flex-start;
  margin-top: 24px;
}

.contact {
  position: relative;
  overflow: hidden;
  padding: 145px 0 135px;
  color: var(--cream);
  background: #202520;
}

.contact-noise {
  position: absolute;
  inset: 0;
  opacity: 0.15;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E");
}

.contact-orb {
  position: absolute;
  top: -80%;
  right: -15%;
  width: 850px;
  height: 850px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 55%, rgba(201, 255, 54, 0.32), rgba(153, 230, 196, 0.09) 35%, transparent 67%);
}

.contact-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.contact .section-index {
  margin-bottom: 47px;
}

.contact-kicker {
  margin: 0 0 24px;
  color: var(--acid);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.contact h2 {
  font-size: clamp(52px, 7vw, 92px);
  line-height: 1.02;
}

.contact-note {
  max-width: 560px;
  margin: 30px auto 36px;
  color: #b8beba;
  font-size: 15px;
  line-height: 1.85;
}

.site-footer {
  color: var(--cream);
  background: #111411;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 170px;
}

.brand-mark-light {
  color: var(--ink);
  background: var(--cream);
}

.footer-meta {
  display: flex;
  gap: 80px;
}

.footer-meta p {
  margin: 0 0 7px;
  color: #6f756f;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-meta strong {
  font-size: 12px;
  font-weight: 500;
}

.back-top {
  display: flex;
  gap: 15px;
  align-items: center;
  justify-self: end;
  color: #b2b8b3;
  font-size: 11px;
}

.back-top span:last-child {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #696f69;
  font-size: 9px;
  letter-spacing: 0.04em;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 800ms var(--ease), transform 800ms var(--ease);
}

.reveal-delay { transition-delay: 150ms; }
.reveal-delay-small { transition-delay: 90ms; }

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes phone-float {
  0%, 100% { transform: rotate(5deg) translateY(0); }
  50% { transform: rotate(3.5deg) translateY(-10px); }
}

@keyframes rotate-ring {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes scroll-line {
  0% { left: -20px; }
  100% { left: 55px; }
}

@keyframes draw-line {
  to { stroke-dashoffset: 0; }
}

@media (max-width: 1100px) {
  :root { --page: min(100% - 44px, 940px); }

  .hero {
    grid-template-columns: minmax(0, 1fr) 380px;
  }

  .hero-visual::before { width: 410px; height: 410px; }
  .orbit-one { width: 470px; height: 320px; }
  .orbit-two { width: 360px; height: 500px; }
  .phone { width: 250px; height: 515px; }
  .app-orb { width: 150px; height: 150px; }
  .orb-core { width: 72px; height: 72px; }
  .ring-a { width: 110px; height: 110px; }
  .ring-b { width: 146px; height: 146px; }
  .app-kicker { margin-top: 36px; }
  .phone-screen h2 { font-size: 27px; }
  .label-top { right: -10px; }
  .label-bottom { left: -10px; }

  .section-heading > div { grid-template-columns: 1fr; gap: 25px; }
  .approach-lead { grid-template-columns: 0.22fr 1fr; }
  .approach-lead h2 { grid-column: 2; }
  .principle > div { grid-template-columns: 0.65fr 1fr; }
  .footer-main { grid-template-columns: 1fr 1.3fr auto; }
}

@media (max-width: 820px) {
  :root {
    --page: calc(100vw - 36px);
    --radius-lg: 24px;
  }

  .nav-shell {
    grid-template-columns: 1fr auto;
    height: 62px;
  }

  .desktop-nav,
  .nav-contact {
    display: none;
  }

  .menu-button {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 0;
    border-radius: 12px;
    color: var(--cream);
    background: var(--ink);
  }

  .menu-button span {
    width: 16px;
    height: 1px;
    background: currentColor;
    transition: transform 220ms ease;
  }

  .menu-button[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

  .mobile-nav {
    position: fixed;
    z-index: -1;
    inset: 0;
    display: flex;
    flex-direction: column;
    gap: 22px;
    align-items: flex-start;
    justify-content: center;
    padding: 100px 38px 50px;
    color: var(--cream);
    background: rgba(22, 26, 23, 0.98);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-15px);
    transition: opacity 240ms ease, transform 350ms var(--ease);
  }

  .mobile-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .mobile-nav a {
    font-family: Georgia, "Songti SC", serif;
    font-size: 36px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 150px;
    padding-bottom: 78px;
  }

  .hero h1 { font-size: clamp(54px, 12vw, 76px); }
  .hero-copy { padding-bottom: 10px; }
  .hero-visual { min-height: 640px; }
  .hero-scroll { display: none; }

  .services,
  .process,
  .about { padding-block: 105px; }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 48px;
  }

  .section-heading h2,
  .about-copy h2 { font-size: clamp(42px, 9vw, 62px); }
  .service-grid { grid-template-columns: 1fr; }

  .approach { padding-block: 110px; }
  .approach-lead { grid-template-columns: 1fr; padding-bottom: 70px; }
  .approach-lead h2 { grid-column: auto; }
  .approach-kicker { max-width: none; }

  .principle { grid-template-columns: 45px 1fr auto; min-height: 200px; }
  .principle > div { grid-template-columns: 1fr; gap: 15px; }

  .process-list li { grid-template-columns: 45px 0.5fr 1fr auto; }
  .process-name { flex-direction: column; gap: 5px; }

  .about-card { grid-template-columns: 1fr; }
  .about-art { min-height: 430px; }
  .about-copy { padding: 64px 42px; }

  .footer-main {
    grid-template-columns: 1fr auto;
    gap: 35px;
    padding-block: 50px;
  }

  .footer-meta { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 560px) {
  :root { --page: calc(100vw - 28px); }

  .site-header { padding-top: 8px; }
  .nav-shell { width: calc(100vw - 16px); padding-left: 14px; }
  .brand-name { display: none; }
  .nav-actions { gap: 10px; }
  .hero { padding-top: 125px; }
  .eyebrow { margin-bottom: 24px; }
  .hero h1 { font-size: clamp(43px, 12.4vw, 56px); line-height: 1.03; }
  .hero h1 span::after { height: 12px; bottom: 3px; }
  .hero-intro { margin-top: 26px; font-size: 15px; line-height: 1.8; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }

  .hero-visual { min-height: 540px; margin-top: 24px; }
  .hero-visual::before { width: 325px; height: 325px; }
  .orbit-one { width: 340px; height: 250px; }
  .orbit-two { width: 280px; height: 400px; }
  .phone { width: 218px; height: 450px; border-radius: 38px; }
  .phone-frame, .phone-screen { border-radius: 31px; }
  .phone-screen { padding: 26px 15px 14px; }
  .phone-screen h2 { font-size: 24px; }
  .app-kicker { margin-top: 29px; }
  .app-orb { width: 130px; height: 130px; margin-top: 16px; }
  .orb-core { width: 62px; height: 62px; }
  .ring-a { width: 94px; height: 94px; }
  .ring-b { width: 126px; height: 126px; }
  .app-cards { margin-top: 14px; }
  .app-cards div { padding: 9px 7px; }
  .visual-label { padding: 10px 12px; font-size: 9px; }
  .label-top { top: 68px; right: -4px; }
  .label-bottom { bottom: 84px; left: -5px; }

  .section-heading h2,
  .about-copy h2 { font-size: 40px; }
  .section-heading > div { grid-template-columns: 1fr; }

  .service-card { min-height: 490px; padding: 24px; }
  .strategy-visual, .design-visual, .code-visual, .evolve-visual { min-height: 230px; }
  .evolve-visual { gap: 18px; }
  .evolve-ring { width: 120px; height: 120px; }
  .evolve-ring::before { width: 92px; height: 92px; }
  .evolve-ring::after { width: 64px; height: 64px; }

  .approach h2 { font-size: 43px; }
  .principle { grid-template-columns: 30px 1fr; gap: 16px; padding-block: 30px; }
  .principle-symbol { display: none; }
  .principle h3 { font-size: 24px; }

  .process-list li {
    grid-template-columns: 35px 1fr auto;
    gap: 14px;
    padding-block: 28px;
  }
  .process-list p { grid-column: 2 / -1; }
  .process-icon { width: 40px; height: 40px; }

  .about { padding-top: 20px; }
  .about-art { min-height: 340px; }
  .about-letter { font-size: 140px; }
  .about-copy { padding: 50px 25px 58px; }

  .contact { padding-block: 110px 100px; }
  .contact h2 { font-size: 44px; }
  .contact-orb { top: -25%; right: -90%; width: 650px; height: 650px; }

  .footer-main { grid-template-columns: 1fr auto; }
  .footer-meta { flex-direction: column; gap: 24px; }
  .back-top span:first-child { display: none; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 6px; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* Dark premium theme */
body {
  background:
    radial-gradient(circle at 14% 6%, rgba(62, 130, 94, 0.08), transparent 26%),
    var(--paper);
}

.site-header {
  color: var(--cream);
}

.nav-shell {
  border-color: rgba(255, 255, 255, 0.11);
  background: rgba(8, 12, 9, 0.76);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.26);
}

.brand-mark {
  color: #07100a;
  background: var(--acid);
}

.desktop-nav {
  color: #bdc5be;
}

.language-switch {
  color: #707971;
}

.language-active {
  color: var(--cream);
}

.nav-contact {
  color: #07100a;
  background: var(--acid);
}

.hero {
  isolation: isolate;
}

.hero::before {
  position: absolute;
  z-index: 0;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  background:
    linear-gradient(90deg, #090c0a 0%, rgba(9, 12, 10, 0.97) 27%, rgba(9, 12, 10, 0.7) 55%, rgba(9, 12, 10, 0.28) 100%),
    linear-gradient(180deg, rgba(9, 12, 10, 0.22), #090c0a 96%),
    url("assets/hero-background.jpg") center / cover no-repeat;
  content: "";
  transform: translateX(-50%);
}

.hero::after {
  position: absolute;
  z-index: 1;
  bottom: 0;
  left: 50%;
  width: 100vw;
  height: 1px;
  background: rgba(255, 255, 255, 0.11);
  content: "";
  transform: translateX(-50%);
}

.hero-copy,
.hero-visual,
.hero-scroll {
  z-index: 2;
}

.eyebrow,
.hero-intro {
  color: var(--ink-soft);
}

.eyebrow-dot {
  background: var(--acid);
  box-shadow: 0 0 16px rgba(189, 255, 63, 0.44);
}

.eyebrow-dot::after {
  border-color: var(--acid);
}

.hero h1 {
  color: var(--cream);
}

.hero h1 span::after {
  background: var(--acid);
  opacity: 0.92;
}

.button-primary {
  color: #07100a;
  background: var(--acid);
  box-shadow: 0 15px 38px rgba(0, 0, 0, 0.35);
}

.button-primary:hover {
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.46);
}

.text-link {
  border-color: rgba(255, 255, 255, 0.38);
  color: var(--cream);
}

.hero-visual::before {
  background: radial-gradient(circle at 56% 42%, rgba(189, 255, 63, 0.3), rgba(36, 107, 75, 0.22) 42%, transparent 70%);
  filter: none;
}

.orbit {
  border-color: rgba(207, 255, 224, 0.2);
}

.orbit-one::after,
.orbit-two::after {
  border-color: #0b100c;
  background: var(--acid);
  box-shadow: 0 0 14px rgba(189, 255, 63, 0.4);
}

.visual-label {
  border-color: rgba(255, 255, 255, 0.14);
  color: var(--cream);
  background: rgba(12, 18, 14, 0.78);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
}

.visual-label span:first-child {
  color: #839087;
}

.hero-scroll {
  color: #788079;
}

.hero-scroll i {
  background: rgba(255, 255, 255, 0.16);
}

.hero-scroll i::after {
  background: var(--acid);
}

.services,
.process,
.about {
  position: relative;
  box-shadow: 0 0 0 100vmax var(--section-bg);
  clip-path: inset(0 -100vmax);
}

.services {
  --section-bg: #0d110e;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.process {
  --section-bg: #090c0a;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.about {
  --section-bg: #0e1310;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.section-index {
  color: #737c74;
}

.section-heading h2,
.about-copy h2 {
  color: var(--cream);
}

.section-heading > div > p,
.about-copy > p:not(.section-index) {
  color: var(--ink-soft);
}

.service-card {
  border-color: rgba(255, 255, 255, 0.1);
  background: #121713;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.service-card:hover {
  border-color: rgba(189, 255, 63, 0.3);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.service-card-large {
  background: #151b17;
}

.service-card-dark {
  background: #090d0a;
}

.service-card-accent {
  color: var(--cream);
  background: linear-gradient(145deg, #193c2c, #10271d);
}

.strategy-visual {
  border-color: rgba(255, 255, 255, 0.1);
}

.strategy-visual::before {
  background-image: linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
}

.strategy-visual path {
  stroke: var(--acid);
}

.strategy-dot {
  border-color: #151b17;
  background: var(--acid);
  box-shadow: 0 0 0 1px var(--acid), 0 0 14px rgba(189, 255, 63, 0.3);
}

.dot-c {
  background: var(--cream);
  box-shadow: 0 0 0 1px var(--cream);
}

.design-window {
  border-color: rgba(255, 255, 255, 0.13);
  background: #0b0f0c;
  box-shadow: 22px 28px 0 rgba(255, 255, 255, 0.035);
}

.window-bar {
  border-color: rgba(255, 255, 255, 0.1);
}

.wire {
  background: #e9eee9;
}

.cursor-mark {
  background: var(--acid);
  filter: drop-shadow(3px 5px 0 rgba(0, 0, 0, 0.52));
}

.evolve-ring,
.evolve-ring::before,
.evolve-ring::after {
  border-color: rgba(255, 255, 255, 0.24);
}

.evolve-ring span {
  color: var(--acid);
}

.approach {
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  background:
    radial-gradient(circle at 82% 18%, rgba(75, 154, 110, 0.12), transparent 28%),
    #101a14;
}

.principles {
  border-color: rgba(255, 255, 255, 0.13);
}

.principle {
  border-color: rgba(255, 255, 255, 0.13);
}

.process-list {
  border-color: var(--line);
}

.process-list li {
  border-color: var(--line);
}

.process-list p {
  color: var(--ink-soft);
}

.process-icon {
  border-color: rgba(255, 255, 255, 0.15);
}

.process-list li:hover .process-icon {
  color: #07100a;
  background: var(--acid);
}

.about-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #111713;
}

.about-art {
  background:
    radial-gradient(circle at 42% 42%, rgba(189, 255, 63, 0.19), transparent 33%),
    linear-gradient(145deg, #173c2c, #09100c 74%);
}

.about-grid {
  background-image: linear-gradient(rgba(255, 255, 255, 0.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.075) 1px, transparent 1px);
}

.about-letter {
  color: var(--cream);
  text-shadow: 16px 18px 0 rgba(189, 255, 63, 0.12);
}

.about-stamp {
  border-color: rgba(255, 255, 255, 0.42);
  color: #c9d1ca;
}

.contact {
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  background: #070a08;
}

.contact-orb {
  top: -95%;
  right: -10%;
  background: radial-gradient(circle at 50% 55%, rgba(72, 160, 111, 0.18), rgba(34, 82, 57, 0.06) 37%, transparent 68%);
}

.contact-email-display {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 40px;
  align-items: center;
  width: min(940px, 100%);
  margin: 54px auto 0;
  padding: 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  text-align: left;
}

.contact-email-display span {
  color: #7f8981;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.contact-email-display strong {
  color: var(--cream);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 5vw, 64px);
  font-weight: 400;
  letter-spacing: -0.035em;
  overflow-wrap: anywhere;
}

.site-footer {
  background: #050705;
}

.brand-mark-light {
  color: #07100a;
  background: var(--acid);
}

.footer-bottom {
  color: #697169;
}

@media (max-width: 820px) {
  .menu-button {
    color: #07100a;
    background: var(--acid);
  }

  .mobile-nav {
    color: var(--cream);
    background: rgba(7, 10, 8, 0.985);
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(9, 12, 10, 0.7), #090c0a 82%),
      linear-gradient(90deg, #090c0a 0%, rgba(9, 12, 10, 0.65) 100%),
      url("assets/hero-background.jpg") 66% center / cover no-repeat;
  }
}

@media (max-width: 560px) {
  .contact-email-display {
    grid-template-columns: 1fr;
    gap: 13px;
    margin-top: 40px;
    padding-block: 22px;
  }

  .contact-email-display strong {
    font-size: clamp(25px, 8.3vw, 38px);
  }
}