:root {
  --ink: #07110f;
  --ink-soft: #12201c;
  --paper: #f4f5ef;
  --paper-warm: #eceee5;
  --line: rgba(7, 17, 15, 0.14);
  --muted: #65716b;
  --aqua: #47e0c1;
  --lime: #c8ff63;
  --violet: #8e83ff;
  --white: #fbfff9;
  --shell: min(1180px, calc(100vw - 48px));
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--lime);
  color: var(--ink);
  transform: translateY(-160%);
}

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

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

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid transparent;
  color: var(--white);
  transition: 220ms ease;
}

.site-header.scrolled {
  border-bottom-color: rgba(255, 255, 255, 0.08);
  background: rgba(7, 17, 15, 0.84);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}

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

.brand-mark {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
}

.brand-name {
  letter-spacing: 0.16em;
  font-size: 17px;
  font-weight: 700;
}

.brand-tag {
  margin-left: 4px;
  padding-left: 14px;
  border-left: 1px solid rgba(255, 255, 255, 0.28);
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.12em;
  font-size: 9px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.site-nav a {
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--white);
}

.nav-cta {
  padding: 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
}

.nav-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 850px;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.hero::after {
  position: absolute;
  right: -12%;
  bottom: -55%;
  width: 70vw;
  height: 70vw;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(71, 224, 193, 0.13),
    transparent 64%
  );
  content: "";
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.09;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.2) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, #000 40%, transparent 96%);
}

.hero-orbit {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  pointer-events: none;
}

.orbit-one {
  top: 116px;
  right: -210px;
  width: 610px;
  height: 610px;
}

.orbit-two {
  top: 212px;
  right: -112px;
  width: 410px;
  height: 410px;
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  gap: 72px;
  align-items: center;
  min-height: 850px;
  padding-top: 74px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: var(--muted);
  letter-spacing: 0.15em;
  font-size: 11px;
  font-weight: 700;
}

.eyebrow span {
  width: 28px;
  height: 1px;
  background: currentColor;
}

.hero .eyebrow {
  color: var(--aqua);
}

.hero h1 {
  max-width: 650px;
  margin: 0;
  letter-spacing: -0.055em;
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: clamp(58px, 6vw, 88px);
  font-weight: 700;
  line-height: 1.04;
}

.hero h1 em {
  color: var(--lime);
  font-style: normal;
}

.hero-lead {
  max-width: 590px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition:
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

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

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

.button-ghost {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
}

.button-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
}

.hero-points {
  display: flex;
  gap: 30px;
  margin: 46px 0 0;
  padding: 26px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  list-style: none;
}

.hero-points li {
  display: grid;
  gap: 5px;
}

.hero-points strong {
  color: var(--white);
  font-size: 15px;
}

.hero-points span {
  color: rgba(255, 255, 255, 0.42);
  font-size: 11px;
}

.hero-visual {
  position: relative;
}

.visual-glow {
  position: absolute;
  inset: 15% 5%;
  border-radius: 50%;
  background: rgba(71, 224, 193, 0.16);
  filter: blur(70px);
}

.story-console {
  position: relative;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.09),
    rgba(255, 255, 255, 0.025)
  );
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(20px);
  transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
}

.console-head {
  display: flex;
  justify-content: space-between;
  padding: 3px 4px 15px;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.12em;
  font-size: 9px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--aqua);
}

.status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--aqua);
  box-shadow: 0 0 12px var(--aqua);
}

.story-stage {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 14px;
}

.phone-frame {
  padding: 7px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 20px;
  background: #050806;
}

.phone-scene {
  position: relative;
  min-height: 438px;
  overflow: hidden;
  border-radius: 15px;
  background:
    radial-gradient(
      circle at 50% 28%,
      rgba(200, 255, 99, 0.34),
      transparent 25%
    ),
    linear-gradient(180deg, #30433b 0%, #101a17 57%, #090d0c 100%);
}

.phone-scene::before,
.phone-scene::after {
  position: absolute;
  right: -18%;
  bottom: 24%;
  left: -18%;
  height: 26%;
  border-radius: 50%;
  background: #192821;
  content: "";
  transform: rotate(-8deg);
}

.phone-scene::after {
  bottom: 4%;
  background: #0d1411;
  transform: rotate(5deg);
}

.scene-number {
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 14px;
  padding: 5px 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 99px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.11em;
  font-size: 8px;
}

.scene-moon {
  position: absolute;
  top: 72px;
  left: 50%;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 60px rgba(200, 255, 99, 0.45);
  transform: translateX(-50%);
}

.scene-person {
  position: absolute;
  z-index: 3;
  bottom: 64px;
  width: 38px;
  height: 120px;
  border-radius: 45% 45% 12% 12%;
  background: #030504;
}

.scene-person::before {
  position: absolute;
  top: -24px;
  left: 6px;
  width: 27px;
  height: 29px;
  border-radius: 50%;
  background: #030504;
  content: "";
}

.person-a {
  left: 32%;
  transform: rotate(-2deg);
}

.person-b {
  right: 30%;
  height: 132px;
  transform: rotate(2deg);
}

.scene-caption {
  position: absolute;
  z-index: 4;
  right: 16px;
  bottom: 17px;
  left: 16px;
  color: rgba(255, 255, 255, 0.88);
  text-align: center;
  font-size: 11px;
}

.production-rail {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.rail-card {
  display: grid;
  grid-template-columns: 25px 1fr;
  gap: 4px 8px;
  align-items: center;
  padding: 14px 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.34);
  background: rgba(0, 0, 0, 0.12);
}

.rail-card span {
  grid-row: span 2;
  font-size: 10px;
}

.rail-card b {
  color: rgba(255, 255, 255, 0.65);
  font-size: 11px;
  font-weight: 500;
}

.rail-card small {
  font-size: 8px;
}

.rail-card.active {
  border-color: rgba(71, 224, 193, 0.2);
}

.rail-card.active span,
.rail-card.active small {
  color: var(--aqua);
}

.rail-card.current {
  border-color: rgba(200, 255, 99, 0.48);
  background: rgba(200, 255, 99, 0.09);
}

.rail-card.current span,
.rail-card.current small {
  color: var(--lime);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
  margin-top: 14px;
}

.timeline span {
  height: 24px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
}

.timeline span:nth-child(2),
.timeline span:nth-child(4) {
  background: rgba(71, 224, 193, 0.14);
}

.trust-strip {
  border-bottom: 1px solid var(--line);
  background: var(--paper-warm);
}

.trust-inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  color: #66716c;
  letter-spacing: 0.08em;
  font-size: 11px;
  font-weight: 600;
}

.trust-inner i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #aeb6ae;
}

.section {
  padding: 120px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 70px;
  align-items: end;
  margin-bottom: 56px;
}

.section-heading.compact {
  grid-template-columns: 1fr;
}

.section-heading h2,
.workflow h2,
.about h2,
.faq h2 {
  margin: 0;
  letter-spacing: -0.045em;
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: clamp(40px, 4vw, 58px);
  line-height: 1.15;
}

.section-heading > p,
.workflow-intro > p,
.about-copy > p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.service-card {
  position: relative;
  min-height: 390px;
  padding: 38px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.45);
  transition:
    transform 240ms ease,
    border-color 240ms ease;
}

.service-card:hover {
  border-color: rgba(7, 17, 15, 0.3);
  transform: translateY(-4px);
}

.service-card.featured {
  background: var(--ink-soft);
  color: var(--white);
}

.card-index {
  color: #9ca59f;
  letter-spacing: 0.12em;
  font-size: 10px;
}

.service-card h3 {
  margin: 85px 0 14px;
  font-size: 25px;
}

.service-card p {
  max-width: 510px;
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.featured p {
  color: rgba(255, 255, 255, 0.55);
}

.service-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.service-card li {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: #69736d;
  font-size: 11px;
}

.featured li {
  border-color: rgba(255, 255, 255, 0.11);
  color: rgba(255, 255, 255, 0.52);
}

.service-icon {
  position: absolute;
  top: 30px;
  right: 34px;
  width: 72px;
  height: 72px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.service-icon::before,
.service-icon::after {
  position: absolute;
  content: "";
}

.icon-script::before {
  inset: 20px 23px;
  border: 1px solid var(--ink);
  border-radius: 2px;
}

.icon-script::after {
  top: 29px;
  left: 29px;
  width: 14px;
  height: 10px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.icon-character {
  border-color: rgba(255, 255, 255, 0.14);
}

.icon-character::before {
  top: 17px;
  left: 25px;
  width: 20px;
  height: 20px;
  border: 1px solid var(--aqua);
  border-radius: 50%;
}

.icon-character::after {
  bottom: 15px;
  left: 17px;
  width: 36px;
  height: 18px;
  border: 1px solid var(--aqua);
  border-bottom: 0;
  border-radius: 28px 28px 0 0;
}

.icon-motion::before {
  top: 24px;
  left: 26px;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  border-left: 20px solid var(--ink);
}

.icon-motion::after {
  right: 12px;
  bottom: 12px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime);
}

.icon-global::before {
  inset: 19px;
  border: 1px solid var(--ink);
  border-radius: 50%;
}

.icon-global::after {
  top: 34px;
  left: 16px;
  width: 38px;
  border-top: 1px solid var(--ink);
}

.workflow {
  background: #dfe4d8;
}

.workflow-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 100px;
}

.workflow-intro {
  position: sticky;
  top: 130px;
  align-self: start;
}

.workflow-intro > p {
  margin-top: 28px;
}

.text-link {
  display: inline-flex;
  gap: 28px;
  margin-top: 30px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.workflow-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(7, 17, 15, 0.18);
  list-style: none;
}

.workflow-list li {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 24px;
  padding: 36px 0;
  border-bottom: 1px solid rgba(7, 17, 15, 0.18);
}

.step-number,
.step-tag {
  color: #7d887f;
  letter-spacing: 0.1em;
  font-size: 10px;
}

.workflow-list h3 {
  margin: -5px 0 9px;
  font-size: 22px;
}

.workflow-list p {
  max-width: 480px;
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.step-tag {
  padding-top: 2px;
}

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

.solution-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 14px;
}

.solution-card {
  position: relative;
  min-height: 280px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.48);
}

.solution-main {
  grid-row: span 2;
  min-height: 574px;
  overflow: hidden;
  background: var(--ink-soft);
  color: var(--white);
}

.solution-label {
  color: #89938d;
  letter-spacing: 0.12em;
  font-size: 10px;
}

.solution-card h3 {
  max-width: 450px;
  margin: 26px 0 14px;
  font-size: 29px;
}

.solution-card p {
  max-width: 500px;
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.solution-main p {
  color: rgba(255, 255, 255, 0.5);
}

.solution-arrow {
  position: absolute;
  right: 28px;
  bottom: 26px;
  font-size: 24px;
}

.mini-board {
  position: absolute;
  right: 34px;
  bottom: 34px;
  left: 34px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  transform: perspective(900px) rotateX(8deg);
}

.mini-board div {
  display: flex;
  min-height: 200px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  background: linear-gradient(
    160deg,
    rgba(71, 224, 193, 0.2),
    rgba(142, 131, 255, 0.08)
  );
}

.mini-board div:nth-child(2) {
  background: linear-gradient(
    160deg,
    rgba(142, 131, 255, 0.24),
    rgba(255, 255, 255, 0.03)
  );
}

.mini-board div:nth-child(3) {
  background: linear-gradient(
    160deg,
    rgba(200, 255, 99, 0.16),
    rgba(255, 255, 255, 0.03)
  );
}

.mini-board span {
  color: rgba(255, 255, 255, 0.36);
  letter-spacing: 0.1em;
  font-size: 8px;
}

.mini-board b {
  margin-top: 7px;
  font-size: 13px;
  font-weight: 500;
}

.deliverable-bar {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  align-items: center;
  margin-top: 14px;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
}

.deliverable-bar p {
  margin: 0;
  font-weight: 600;
}

.deliverable-bar ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
  font-size: 12px;
}

.deliverable-bar li::before {
  margin-right: 8px;
  color: #6b8e3e;
  content: "•";
}

.about {
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.about-visual {
  position: relative;
  display: grid;
  min-height: 480px;
  place-items: center;
}

.about-rings,
.about-rings::before,
.about-rings::after {
  position: absolute;
  width: 390px;
  height: 390px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  content: "";
}

.about-rings::before {
  top: 54px;
  left: 54px;
  width: 280px;
  height: 280px;
}

.about-rings::after {
  top: 118px;
  left: 118px;
  width: 150px;
  height: 150px;
  border-color: rgba(71, 224, 193, 0.32);
  box-shadow: 0 0 70px rgba(71, 224, 193, 0.12);
}

.about-word {
  position: relative;
  z-index: 2;
  color: var(--lime);
  letter-spacing: 0.18em;
  font-size: 24px;
  font-weight: 700;
}

.signal {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--aqua);
  box-shadow: 0 0 18px var(--aqua);
}

.signal-a {
  top: 62px;
  left: 43%;
}

.signal-b {
  right: 9%;
  bottom: 34%;
  background: var(--violet);
  box-shadow: 0 0 18px var(--violet);
}

.signal-c {
  bottom: 30px;
  left: 24%;
  background: var(--lime);
  box-shadow: 0 0 18px var(--lime);
}

.about .eyebrow {
  color: var(--aqua);
}

.about-copy > p {
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.52);
}

.about-values {
  display: grid;
  gap: 22px;
  margin-top: 40px;
}

.about-values div {
  display: grid;
  grid-template-columns: 100px 1fr;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.about-values strong {
  font-size: 13px;
}

.about-values span {
  color: rgba(255, 255, 255, 0.42);
  font-size: 13px;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 100px;
}

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

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px 0;
  cursor: pointer;
  font-size: 17px;
  font-weight: 600;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span {
  position: relative;
  width: 22px;
  height: 22px;
}

.faq-list summary span::before,
.faq-list summary span::after {
  position: absolute;
  top: 10px;
  left: 4px;
  width: 14px;
  border-top: 1px solid var(--ink);
  content: "";
}

.faq-list summary span::after {
  transform: rotate(90deg);
  transition: transform 180ms ease;
}

.faq-list details[open] summary span::after {
  transform: rotate(0deg);
}

.faq-list p {
  max-width: 650px;
  margin: -6px 0 27px;
  color: var(--muted);
  line-height: 1.8;
}

.contact {
  position: relative;
  overflow: hidden;
  padding: 120px 0;
  background: var(--lime);
}

.contact::before {
  position: absolute;
  top: -260px;
  right: -110px;
  width: 600px;
  height: 600px;
  border: 1px solid rgba(7, 17, 15, 0.16);
  border-radius: 50%;
  content: "";
}

.contact::after {
  position: absolute;
  right: 70px;
  bottom: -300px;
  width: 600px;
  height: 600px;
  border: 1px solid rgba(7, 17, 15, 0.12);
  border-radius: 50%;
  content: "";
}

.contact-inner {
  position: relative;
  z-index: 2;
}

.eyebrow.light {
  color: rgba(7, 17, 15, 0.6);
}

.contact h2 {
  max-width: 820px;
  margin: 0;
  letter-spacing: -0.055em;
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: clamp(48px, 6vw, 78px);
  line-height: 1.12;
}

.contact p:not(.eyebrow) {
  max-width: 660px;
  margin: 28px 0 34px;
  line-height: 1.8;
}

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

.site-footer {
  padding: 54px 0 28px;
  background: var(--ink);
  color: var(--white);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 62px;
  align-items: start;
}

.footer-brand p {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.38);
  font-size: 12px;
}

.footer-links {
  display: flex;
  gap: 26px;
  color: rgba(255, 255, 255, 0.56);
  font-size: 12px;
}

.copyright {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.28);
  font-size: 10px;
}

.company-name {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal[data-delay="1"] {
  transition-delay: 100ms;
}

.reveal[data-delay="2"] {
  transition-delay: 180ms;
}

.reveal[data-delay="3"] {
  transition-delay: 260ms;
}

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

@media (max-width: 980px) {
  :root {
    --shell: min(100% - 36px, 760px);
  }

  .brand-tag {
    display: none;
  }

  .nav-toggle {
    position: relative;
    z-index: 4;
    display: grid;
    width: 42px;
    height: 42px;
    padding: 0;
    place-content: center;
    gap: 7px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    background: transparent;
  }

  .nav-toggle span {
    width: 17px;
    border-top: 1px solid var(--white);
    transition: transform 180ms ease;
  }

  .nav-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    z-index: 3;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 22px;
    padding: 100px 10vw;
    visibility: hidden;
    background: rgba(7, 17, 15, 0.98);
    font-size: 28px;
    opacity: 0;
    transform: translateY(-12px);
    transition: 200ms ease;
  }

  .site-nav.open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .nav-cta {
    margin-top: 10px;
    font-size: 15px;
  }

  .hero,
  .hero-layout {
    min-height: auto;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 54px;
    padding-top: 150px;
    padding-bottom: 88px;
  }

  .hero-copy {
    max-width: 700px;
  }

  .hero-visual {
    max-width: 590px;
    margin-inline: auto;
  }

  .story-console {
    transform: none;
  }

  .section-heading,
  .workflow-layout,
  .about-layout,
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .workflow-intro {
    position: static;
  }

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

  .solution-main {
    grid-row: auto;
  }

  .deliverable-bar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  :root {
    --shell: calc(100% - 30px);
    --radius: 18px;
  }

  .header-inner {
    min-height: 68px;
  }

  .hero-layout {
    padding-top: 124px;
    padding-bottom: 70px;
  }

  .hero h1 {
    font-size: clamp(46px, 14vw, 66px);
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .hero-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .hero-points span {
    font-size: 9px;
  }

  .story-console {
    padding: 10px;
    border-radius: 18px;
  }

  .story-stage {
    grid-template-columns: 1fr 0.8fr;
    gap: 8px;
  }

  .phone-scene {
    min-height: 340px;
  }

  .rail-card {
    grid-template-columns: 18px 1fr;
    padding: 10px 8px;
  }

  .rail-card b {
    font-size: 9px;
  }

  .trust-inner {
    justify-content: flex-start;
    gap: 18px;
    overflow: hidden;
    white-space: nowrap;
  }

  .trust-inner span:nth-of-type(n + 4),
  .trust-inner i:nth-of-type(n + 4) {
    display: none;
  }

  .section {
    padding: 84px 0;
  }

  .section-heading {
    gap: 24px;
    margin-bottom: 38px;
  }

  .section-heading h2,
  .workflow h2,
  .about h2,
  .faq h2 {
    font-size: 38px;
  }

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

  .service-card {
    min-height: auto;
    padding: 28px;
  }

  .service-card h3 {
    margin-top: 72px;
    font-size: 22px;
  }

  .workflow-list li {
    grid-template-columns: 38px 1fr;
    gap: 16px;
  }

  .step-tag {
    display: none;
  }

  .solution-main {
    min-height: 610px;
  }

  .mini-board {
    grid-template-columns: 1fr;
  }

  .mini-board div {
    min-height: 88px;
  }

  .about-layout {
    gap: 30px;
  }

  .about-visual {
    min-height: 350px;
    transform: scale(0.78);
  }

  .about-values div {
    grid-template-columns: 90px 1fr;
  }

  .contact {
    padding: 88px 0;
  }

  .contact h2 {
    font-size: 44px;
  }

  .button-light {
    width: 100%;
    font-size: 12px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}

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

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

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