:root {
  --ink: #0c0d10;
  --graphite: #20242a;
  --muted: #656d77;
  --paper: #ffffff;
  --cloud: #f5f7fa;
  --line: #d9dee6;
  --blue: #0057ff;
  --blue-deep: #0038b8;
  --lime: #c7ff00;
  --orange: #ff7a1a;
  --shadow: 0 24px 80px rgba(12, 13, 16, 0.12);
  --radius: 8px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.58;
  letter-spacing: 0;
}

body.is-locked {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

.icon-sprite {
  display: none;
}

.icon {
  width: 1.1em;
  height: 1.1em;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.shell {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: max(24px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid transparent;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 34px rgba(12, 13, 16, 0.07);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
}

.brand-word {
  display: inline-block;
  color: var(--ink);
  font-size: clamp(1.25rem, 1.9vw, 1.72rem);
  font-weight: 900;
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 31px;
  color: var(--graphite);
  font-size: 0.94rem;
  font-weight: 690;
}

.site-nav a:not(.nav-cta) {
  position: relative;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 7px;
  left: 0;
  height: 3px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.nav-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: 0;
  font-weight: 780;
  cursor: pointer;
}

.nav-cta {
  min-height: var(--header-height);
  margin-block: calc(var(--header-height) / -2 + 21px);
  padding-inline: 28px;
  background: var(--lime);
  color: var(--ink);
}

.nav-cta:hover {
  background: #b6f000;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  cursor: pointer;
}

.nav-toggle .icon-close {
  display: none;
}

.site-header.is-open .nav-toggle .icon-menu {
  display: none;
}

.site-header.is-open .nav-toggle .icon-close {
  display: block;
}

.hero {
  position: relative;
  min-height: 89svh;
  padding-top: var(--header-height);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(0, 87, 255, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(0, 87, 255, 0.06) 1px, transparent 1px);
  background-size: 74px 74px;
}

.hero::before {
  content: "";
  position: absolute;
  right: -9vw;
  bottom: 0;
  width: 42vw;
  height: 160px;
  background: var(--lime);
  transform: skewX(-38deg);
  transform-origin: bottom;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(520px, 0.95fr) minmax(520px, 1.05fr);
  gap: 36px;
  align-items: center;
  min-height: calc(89svh - var(--header-height));
  padding-block: 56px 68px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  min-width: 0;
}

.hero-copy h1 {
  margin: 0 0 24px;
  color: var(--ink);
  font-size: 52px;
  line-height: 1.04;
  font-weight: 920;
  letter-spacing: 0;
}

.hero-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-left: 6px;
  border-radius: 999px;
  background: var(--lime);
  vertical-align: 0.12em;
}

.mobile-break {
  display: none;
}

.hero-copy p {
  width: min(540px, 100%);
  margin: 0 0 30px;
  color: var(--muted);
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.btn {
  min-width: 148px;
  padding: 0 22px;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

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

.btn-primary {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 12px 12px 0 var(--lime);
}

.btn-primary:hover {
  background: var(--blue);
  box-shadow: 8px 8px 0 var(--lime);
}

.btn-plain {
  border-bottom: 2px solid var(--blue);
  color: var(--ink);
}

.hero-note {
  display: grid;
  gap: 10px;
  padding-left: 22px;
  border-left: 3px solid var(--blue);
}

.hero-note span {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-note strong {
  font-size: 1rem;
}

.hero-visual {
  position: relative;
  align-self: center;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 16 / 10;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  background: var(--paper);
  box-shadow: var(--shadow);
  clip-path: polygon(8% 0, 100% 0, 100% 88%, 90% 100%, 0 100%, 0 10%);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero-visual figcaption {
  position: absolute;
  right: 28px;
  bottom: 28px;
  padding: 12px 14px;
  background: var(--paper);
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 850;
}

.blueprint-mark {
  position: absolute;
  border: 1px solid rgba(0, 87, 255, 0.8);
  pointer-events: none;
}

.blueprint-mark::before,
.blueprint-mark::after {
  content: "";
  position: absolute;
  background: rgba(0, 87, 255, 0.8);
}

.mark-one {
  top: 14%;
  left: 18%;
  width: 28%;
  height: 34%;
}

.mark-two {
  right: 18%;
  bottom: 18%;
  width: 22%;
  height: 24%;
}

.mark-one::before,
.mark-two::before {
  top: 50%;
  left: -46px;
  width: 46px;
  height: 1px;
}

.mark-one::after,
.mark-two::after {
  top: -34px;
  left: 50%;
  width: 1px;
  height: 34px;
}

.scroll-cue {
  position: absolute;
  right: max(24px, calc((100vw - 1180px) / 2));
  bottom: 26px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 720;
  writing-mode: vertical-rl;
}

.scroll-cue span {
  width: 1px;
  height: 38px;
  background: var(--blue);
}

.intro-strip {
  border-block: 1px solid var(--line);
  background: var(--paper);
}

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

.intro-grid strong {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 1px solid var(--line);
  font-size: 0.98rem;
}

.intro-grid strong:last-child {
  border-right: 1px solid var(--line);
}

.section {
  padding-block: 92px;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.72fr);
  gap: 76px;
  align-items: end;
}

.section-title span {
  display: block;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 0.88rem;
  font-weight: 850;
}

.section-title h2 {
  margin: 0;
  color: var(--ink);
  font-size: 48px;
  line-height: 1.08;
  font-weight: 890;
  letter-spacing: 0;
}

.section-title p,
.section-lead,
.scene-copy p,
.about-copy p,
.contact-section p {
  margin: 0;
  color: var(--muted);
  font-size: 1.03rem;
}

.service-lanes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 46px;
  border-top: 2px solid var(--ink);
}

.service-lane {
  position: relative;
  min-height: 310px;
  padding: 30px 24px 28px;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, var(--paper), var(--cloud));
}

.service-lane:first-child {
  border-left: 1px solid var(--line);
}

.service-lane::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 52px;
  height: 4px;
  background: var(--lime);
}

.service-lane span {
  display: block;
  margin-bottom: 28px;
  color: var(--lime);
  font-size: 1.35rem;
  font-weight: 900;
  text-shadow: 0 0 1px var(--ink);
}

.service-lane .icon {
  width: 34px;
  height: 34px;
  margin-bottom: 26px;
  color: var(--graphite);
}

.service-lane h3 {
  margin: 0 0 12px;
  font-size: 1.22rem;
  line-height: 1.28;
}

.service-lane p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.process-band {
  position: relative;
  padding-block: 94px 104px;
  overflow: hidden;
  background: var(--graphite);
  color: var(--paper);
}

.process-band::before {
  content: "";
  position: absolute;
  inset: auto auto 0 0;
  width: 44%;
  height: 90px;
  background: var(--blue);
  clip-path: polygon(0 0, 100% 0, 86% 100%, 0 100%);
}

.process-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 88px 88px;
  pointer-events: none;
}

.process-band .shell {
  position: relative;
  z-index: 1;
}

.process-title {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(300px, 0.52fr);
  gap: 60px;
  align-items: end;
  margin-bottom: 58px;
}

.process-title span {
  color: var(--lime);
}

.process-title h2 {
  color: var(--paper);
}

.process-title p {
  color: rgba(255, 255, 255, 0.72);
}

.timeline {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}

.timeline li {
  position: relative;
  min-height: 210px;
  padding: 30px 18px 0 0;
}

.timeline li::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: -33px;
  left: 0;
  color: var(--lime);
  font-size: 1.25rem;
  font-weight: 900;
}

.timeline li::after {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--lime);
}

.timeline .icon {
  width: 30px;
  height: 30px;
  margin-bottom: 22px;
  color: var(--paper);
}

.timeline strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.06rem;
}

.timeline p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.92rem;
}

.scenes {
  background: var(--paper);
}

.scene-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.58fr) minmax(0, 1fr);
  gap: 72px;
  align-items: start;
}

.scene-copy {
  position: sticky;
  top: calc(var(--header-height) + 28px);
}

.scene-copy p {
  margin-top: 24px;
}

.scene-list {
  display: grid;
  border-top: 2px solid var(--ink);
}

.scene-list article {
  display: grid;
  grid-template-columns: 64px minmax(150px, 0.48fr) 1fr;
  gap: 26px;
  align-items: baseline;
  min-height: 122px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
}

.scene-list span {
  color: var(--blue);
  font-size: 1.2rem;
  font-weight: 900;
}

.scene-list h3 {
  margin: 0;
  font-size: 1.42rem;
}

.scene-list p {
  margin: 0;
  color: var(--muted);
}

.about-panel {
  padding-block: 92px;
  background: var(--cloud);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(0, 0.86fr);
  gap: 70px;
  align-items: center;
}

.about-media {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(0, 87, 255, 0.1) 1px, transparent 1px),
    linear-gradient(180deg, rgba(0, 87, 255, 0.1) 1px, transparent 1px),
    var(--paper);
  background-size: 42px 42px;
}

.about-media::before {
  content: "FOLIO";
  position: absolute;
  left: 44px;
  bottom: 38px;
  color: var(--blue);
  font-size: 4.2rem;
  font-weight: 900;
}

.about-media::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 48%;
  height: 120px;
  background: var(--lime);
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 100%);
}

.drawing-line,
.drawing-node {
  position: absolute;
  display: block;
}

.drawing-line {
  height: 2px;
  background: var(--blue);
  transform-origin: left center;
}

.line-a {
  top: 118px;
  left: 54px;
  width: 72%;
  transform: rotate(12deg);
}

.line-b {
  top: 230px;
  left: 90px;
  width: 62%;
  transform: rotate(-8deg);
}

.line-c {
  top: 310px;
  left: 32px;
  width: 56%;
  background: var(--orange);
  transform: rotate(7deg);
}

.drawing-node {
  width: 16px;
  height: 16px;
  border: 3px solid var(--ink);
  background: var(--paper);
}

.node-a {
  top: 104px;
  left: 45px;
}

.node-b {
  top: 216px;
  right: 120px;
}

.node-c {
  top: 296px;
  left: 216px;
}

.about-copy p {
  margin-top: 24px;
}

.proof-list {
  display: grid;
  gap: 14px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.proof-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--graphite);
}

.proof-list .icon {
  flex: 0 0 auto;
  margin-top: 3px;
  color: var(--blue);
}

.contact-section {
  padding-block: 96px;
  background: var(--ink);
  color: var(--paper);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 0.7fr);
  gap: 78px;
  align-items: start;
}

.contact-section .section-title span {
  color: var(--lime);
}

.contact-section .section-title h2 {
  color: var(--paper);
}

.contact-section p {
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.72);
}

.contact-points {
  display: grid;
  gap: 14px;
  margin-top: 34px;
  color: rgba(255, 255, 255, 0.86);
  font-style: normal;
}

.contact-points a,
.contact-points span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.contact-points .icon {
  color: var(--lime);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.07);
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form label span {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  font-weight: 760;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  outline: none;
  padding: 13px 14px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--lime);
  box-shadow: 0 0 0 3px rgba(199, 255, 0, 0.24);
}

.contact-form textarea {
  resize: vertical;
}

.form-submit {
  width: 100%;
}

.form-note {
  min-height: 24px;
  margin: 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper);
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
  min-height: 104px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  color: var(--graphite);
  font-size: 0.92rem;
  font-weight: 680;
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}

@media (max-width: 1060px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-top: 42px;
  }

  .hero-visual {
    min-height: 0;
  }

  .section-grid,
  .process-title,
  .scene-layout,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .service-lanes {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 48px;
  }

  .scene-copy {
    position: static;
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 66px;
  }

  .shell {
    width: min(100% - 32px, 1180px);
  }

  .site-header {
    padding-inline: 16px;
  }

  .brand-word {
    font-size: 1.22rem;
  }

  .nav-toggle {
    display: grid;
  }

  .site-nav {
    position: absolute;
    top: calc(var(--header-height) + 8px);
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    background: var(--paper);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a:not(.nav-cta) {
    min-height: 46px;
    padding-inline: 10px;
  }

  .site-nav a:not(.nav-cta)::after {
    display: none;
  }

  .nav-cta {
    min-height: 48px;
    margin: 8px 0 0;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    min-height: auto;
    padding-block: 38px 78px;
    overflow: hidden;
  }

  .hero-copy h1 {
    font-size: 40px;
  }

  .hero-copy,
  .hero-copy p,
  .hero-note,
  .hero-note strong {
    width: 100%;
    max-width: 100%;
  }

  .hero-copy {
    max-width: 358px;
  }

  .hero-copy p,
  .hero-note strong {
    overflow-wrap: break-word;
  }

  .mobile-break {
    display: block;
  }

  .hero-copy p {
    font-size: 1.02rem;
  }

  .hero-actions {
    width: 100%;
    margin-bottom: 30px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-visual {
    min-height: 0;
    clip-path: polygon(5% 0, 100% 0, 100% 92%, 92% 100%, 0 100%, 0 8%);
  }

  .scroll-cue {
    display: none;
  }

  .intro-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .intro-grid strong {
    min-height: 62px;
    justify-content: flex-start;
    padding-inline: 14px;
    border-right: 1px solid var(--line);
    font-size: 0.92rem;
  }

  .section,
  .about-panel,
  .contact-section {
    padding-block: 64px;
  }

  .section-title h2 {
    font-size: 36px;
  }

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

  .service-lane {
    min-height: auto;
    border-left: 1px solid var(--line);
  }

  .timeline {
    gap: 34px;
    border-top: 0;
  }

  .timeline li {
    min-height: auto;
    padding: 0 0 0 54px;
  }

  .timeline li::before {
    top: -4px;
    left: 0;
  }

  .timeline li::after {
    top: 34px;
    left: 15px;
    width: 2px;
    height: calc(100% + 26px);
  }

  .timeline li:last-child::after {
    display: none;
  }

  .timeline .icon {
    margin-bottom: 16px;
  }

  .scene-list article {
    grid-template-columns: 48px 1fr;
    gap: 12px 18px;
    align-items: start;
  }

  .scene-list article p {
    grid-column: 2;
  }

  .about-media {
    min-height: 320px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 18px;
    padding-block: 24px;
  }

  .site-footer nav {
    justify-content: flex-start;
    gap: 16px 22px;
  }
}

@media (max-width: 460px) {
  .hero-copy h1 {
    font-size: 34px;
  }

  .hero-dot {
    width: 10px;
    height: 10px;
    margin-left: 8px;
  }


  .hero-visual {
    min-height: 0;
  }

  .hero-visual figcaption {
    right: 14px;
    bottom: 14px;
    font-size: 0.7rem;
  }

  .intro-grid {
    grid-template-columns: 1fr;
  }

  .section-title h2 {
    font-size: 30px;
  }

  .about-media::before {
    left: 26px;
    bottom: 28px;
    font-size: 3rem;
  }
}