:root {
  --canvas: #ffffff;
  --canvas-soft: #f6f5f4;
  --surface: #ffffff;
  --ink: #28384a;
  --ink-strong: #1f2d3d;
  --ink-muted: #6b7a8b;
  --ink-faint: #9aa8b7;
  --hairline: #e3e8ee;
  --hairline-strong: #cbd5df;
  --brand-blue: #8fa1b3;
  --brand-blue-dark: #3d5168;
  --accent: #ff7a45;
  --accent-active: #e95c28;
  --accent-soft: #fff1ea;
  --footer-blue: #34485d;
  --radius-card: 12px;
  --radius-pill: 999px;
  --shadow-soft: 0 1px 2px rgba(31, 45, 61, 0.04), 0 10px 34px rgba(31, 45, 61, 0.08);
  --shadow-lift: 0 1px 1px rgba(31, 45, 61, 0.03), 0 14px 48px rgba(31, 45, 61, 0.12);
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 12%, rgba(143, 161, 179, 0.12), transparent 28rem),
    radial-gradient(circle at 88% 24%, rgba(255, 122, 69, 0.08), transparent 26rem),
    var(--canvas-soft);
  color: var(--ink);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

.narrow {
  max-width: 900px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 44px;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(227, 232, 238, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  color: var(--brand-blue-dark);
  font-weight: 700;
}

.logo-image {
  display: block;
  height: auto;
  object-fit: contain;
}

.logo-main {
  width: 154px;
  max-height: 58px;
}

.brand-mark {
  position: relative;
  width: 50px;
  height: 34px;
  flex: 0 0 auto;
}

.brand-lines,
.brand-lines::before,
.brand-lines::after {
  position: absolute;
  display: block;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
  content: "";
}

.brand-lines {
  right: 2px;
  top: 17px;
  width: 34px;
}

.brand-lines::before {
  right: 9px;
  top: -6px;
  width: 27px;
  transform: rotate(8deg);
  opacity: 0.72;
}

.brand-lines::after {
  right: 13px;
  top: 6px;
  width: 25px;
  transform: rotate(-7deg);
  opacity: 0.62;
}

.brand-stem {
  position: absolute;
  right: 8px;
  top: -1px;
  width: 18px;
  height: 30px;
  border-left: 3px solid var(--brand-blue);
  border-radius: 50% 0 0 50%;
  transform: rotate(18deg);
}

.brand-stem::before,
.brand-stem::after {
  position: absolute;
  left: -8px;
  width: 14px;
  height: 22px;
  border-left: 2px solid var(--brand-blue);
  border-radius: 50% 0 0 50%;
  content: "";
}

.brand-stem::before {
  top: 2px;
  transform: rotate(-14deg);
  opacity: 0.78;
}

.brand-stem::after {
  top: 7px;
  transform: rotate(14deg);
  opacity: 0.55;
}

.brand-text {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 21px;
  line-height: 1;
}

.brand-text span:last-child {
  color: var(--brand-blue);
  font-size: 19px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-blue-dark);
  font-size: 15px;
  font-weight: 600;
}

.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 8px;
  overflow: hidden;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a.is-active {
  background: rgba(255, 122, 69, 0.08);
}

.nav-links a::after {
  position: absolute;
  right: 14px;
  bottom: 7px;
  left: 14px;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0;
  transform: scaleX(0.3);
  transform-origin: center;
  transition: opacity 160ms ease, transform 160ms ease;
  content: "";
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after,
.nav-links a.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-toggle {
  position: relative;
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  overflow: hidden;
  transform: translate3d(var(--magnet-x, 0), var(--magnet-y, 0), 0);
  transition: transform 180ms ease, border-color 160ms ease, background 160ms ease;
}

.nav-toggle span {
  position: absolute;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform 180ms ease;
}

.nav-toggle span:first-child {
  transform: translateY(-4px);
}

.nav-toggle span:last-child {
  transform: translateY(4px);
}

body.nav-open .nav-toggle span:first-child {
  transform: rotate(45deg);
}

body.nav-open .nav-toggle span:last-child {
  transform: rotate(-45deg);
}

.brand.magnetic {
  transform: translate3d(var(--magnet-x, 0), var(--magnet-y, 0), 0);
  transition: transform 180ms ease, opacity 160ms ease;
}

.brand.magnetic:hover,
.brand.magnetic:focus-visible {
  opacity: 0.92;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100svh - 76px);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(246, 245, 244, 0.9)),
    var(--canvas-soft);
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(246, 245, 244, 0.92) 0%, rgba(246, 245, 244, 0.78) 42%, rgba(246, 245, 244, 0.38) 100%),
    radial-gradient(circle at 76% 38%, rgba(255, 122, 69, 0.12), transparent 24rem),
    radial-gradient(circle at 64% 68%, rgba(143, 161, 179, 0.14), transparent 24rem);
  content: "";
  pointer-events: none;
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  z-index: 2;
  height: 100px;
  background: linear-gradient(180deg, transparent, var(--canvas-soft));
  content: "";
  pointer-events: none;
}

.hero-3d-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

.hero-content {
  position: relative;
  z-index: 3;
  display: flex;
  min-height: calc(100svh - 76px);
  flex-direction: column;
  justify-content: center;
  max-width: 960px;
  padding: 96px 0 112px;
}

.hero-value-logo {
  width: min(360px, 74vw);
  margin: 0 0 28px;
  filter: drop-shadow(0 18px 34px rgba(31, 45, 61, 0.12));
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.nowrap {
  white-space: nowrap;
}

h1,
h2,
h3 {
  color: var(--ink-strong);
  line-height: 1.16;
  letter-spacing: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: 64px;
  font-weight: 800;
}

h2 {
  margin-bottom: 18px;
  font-size: 42px;
  font-weight: 800;
}

h3 {
  margin-bottom: 14px;
  font-size: 25px;
  font-weight: 800;
}

.hero-copy {
  max-width: 820px;
  margin-bottom: 34px;
  color: var(--brand-blue-dark);
  font-size: 20px;
  line-height: 1.75;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  gap: 8px;
  border-radius: var(--radius-pill);
  overflow: hidden;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
  transform: translate3d(var(--magnet-x, 0), var(--magnet-y, 0), 0);
  transition: transform 180ms ease, background 160ms ease, border-color 160ms ease, box-shadow 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translate3d(var(--magnet-x, 0), var(--magnet-y, 0), 0) translateY(-2px);
}

.button-primary {
  padding: 13px 22px;
  background: var(--accent);
  box-shadow: 0 12px 26px rgba(255, 122, 69, 0.2);
  color: #ffffff;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--accent-active);
  box-shadow: 0 16px 34px rgba(255, 122, 69, 0.28);
}

.button-secondary {
  padding: 12px 21px;
  border: 1px solid var(--hairline-strong);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink-strong);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(255, 122, 69, 0.34);
  background: #ffffff;
  box-shadow: 0 14px 30px rgba(31, 45, 61, 0.08);
}

.text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--brand-blue-dark);
  font-weight: 700;
  border-bottom: 2px solid var(--accent);
  transform: translate3d(var(--magnet-x, 0), var(--magnet-y, 0), 0);
  transition: color 160ms ease, transform 180ms ease;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--accent-active);
}

.magnetic {
  --magnet-x: 0px;
  --magnet-y: 0px;
  will-change: transform;
}

.ripple-source {
  position: relative;
  overflow: hidden;
}

.ripple-effect {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.62);
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0);
  animation: ripple-pop 680ms ease-out forwards;
}

.button-secondary .ripple-effect,
.nav-toggle .ripple-effect,
.nav-links a .ripple-effect {
  background: rgba(255, 122, 69, 0.22);
}

@keyframes ripple-pop {
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(18);
  }
}

.cursor-glow {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(255, 122, 69, 0.16), transparent 58%),
    radial-gradient(circle, rgba(143, 161, 179, 0.12), transparent 72%);
  opacity: 0;
  pointer-events: none;
  transform: translate3d(-50%, -50%, 0);
  transition: opacity 180ms ease;
  mix-blend-mode: multiply;
}

.hero-scene {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

.fog-particle {
  position: absolute;
  display: block;
  border-radius: 50%;
  background: var(--brand-blue);
  filter: blur(14px);
  opacity: 0.24;
}

.fog-particle-a {
  width: 160px;
  height: 160px;
  top: 25%;
  left: 8%;
}

.fog-particle-b {
  width: 110px;
  height: 110px;
  top: 45%;
  left: 21%;
  opacity: 0.18;
}

.fog-particle-c {
  width: 96px;
  height: 96px;
  right: 13%;
  top: 28%;
  background: var(--accent);
  opacity: 0.13;
}

.fog-particle-d {
  width: 140px;
  height: 140px;
  right: 26%;
  bottom: 14%;
  opacity: 0.16;
}

.flow-line {
  position: absolute;
  display: block;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 122, 69, 0.1), var(--accent), transparent);
  border-radius: 999px;
  transform-origin: left center;
}

.flow-line::before,
.flow-line::after {
  position: absolute;
  right: 20%;
  left: 8%;
  height: 1px;
  border-radius: 999px;
  background: rgba(143, 161, 179, 0.42);
  content: "";
}

.flow-line::before {
  top: -14px;
  transform: rotate(-4deg);
}

.flow-line::after {
  top: 14px;
  transform: rotate(4deg);
}

.flow-line-one {
  width: 52%;
  right: 6%;
  top: 39%;
}

.flow-line-two {
  width: 40%;
  right: 12%;
  top: 47%;
  opacity: 0.6;
}

.flow-line-three {
  width: 36%;
  right: 22%;
  top: 55%;
  opacity: 0.45;
}

.hero-doc {
  position: absolute;
  display: block;
  border: 1px solid rgba(143, 161, 179, 0.35);
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(143, 161, 179, 0.1), rgba(143, 161, 179, 0.02)),
    rgba(255, 255, 255, 0.52);
  box-shadow: var(--shadow-soft);
}

.hero-doc::before,
.hero-doc::after {
  position: absolute;
  left: 18px;
  height: 3px;
  border-radius: 999px;
  background: rgba(143, 161, 179, 0.55);
  content: "";
}

.hero-doc::before {
  top: 26px;
  width: 62%;
}

.hero-doc::after {
  top: 42px;
  width: 42%;
}

.hero-doc-a {
  right: 11%;
  top: 26%;
  width: 176px;
  height: 116px;
  transform: rotate(2deg);
}

.hero-doc-b {
  right: 25%;
  top: 58%;
  width: 150px;
  height: 96px;
  transform: rotate(-4deg);
}

.hero-doc-c {
  right: 4%;
  bottom: 18%;
  width: 220px;
  height: 138px;
  transform: rotate(1deg);
}

.section {
  padding: 112px 0;
  background: var(--canvas);
}

.section-soft {
  background:
    radial-gradient(circle at 12% 24%, rgba(143, 161, 179, 0.12), transparent 24rem),
    radial-gradient(circle at 84% 70%, rgba(255, 122, 69, 0.08), transparent 22rem),
    var(--canvas-soft);
}

.section-heading {
  max-width: 640px;
}

.section-heading.centered {
  max-width: 790px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-heading p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--ink-muted);
  font-size: 18px;
}

.problem-grid,
.product-grid,
.result-grid {
  display: grid;
  gap: 28px;
}

.problem-grid,
.product-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.result-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.problem-card,
.product-card,
.result-card,
.process-list li,
.method-steps article,
.qr-panel,
.accordion-list details {
  border: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-soft);
}

.problem-card,
.product-card,
.result-card {
  border-radius: var(--radius-card);
}

.tilt-card {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  --glow-x: 50%;
  --glow-y: 30%;
  position: relative;
  transform: perspective(1000px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(0);
  transform-style: preserve-3d;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
  will-change: transform;
}

.tilt-card::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  background:
    radial-gradient(circle at var(--glow-x) var(--glow-y), rgba(255, 122, 69, 0.18), transparent 28%),
    radial-gradient(circle at var(--glow-x) var(--glow-y), rgba(143, 161, 179, 0.16), transparent 48%);
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.tilt-card > * {
  position: relative;
  z-index: 1;
}

.tilt-card:hover,
.tilt-card:focus-within,
.tilt-card.is-tilting {
  border-color: rgba(255, 122, 69, 0.28);
  box-shadow: 0 20px 58px rgba(31, 45, 61, 0.14);
  transform: perspective(1000px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(-4px);
}

.tilt-card:hover::before,
.tilt-card:focus-within::before,
.tilt-card.is-tilting::before {
  opacity: 1;
}

.problem-card {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  padding: 38px;
}

.problem-card::after {
  position: absolute;
  right: -56px;
  bottom: -52px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(143, 161, 179, 0.16) 0 3px, transparent 4px) 0 0 / 24px 24px,
    radial-gradient(circle, rgba(255, 122, 69, 0.18) 0 2px, transparent 3px) 10px 8px / 32px 32px;
  opacity: 0.7;
  content: "";
}

.card-kicker {
  margin-bottom: 12px;
  color: var(--brand-blue-dark);
  font-size: 14px;
  font-weight: 700;
}

.quiet-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  color: var(--brand-blue-dark);
  list-style: none;
}

.quiet-list li {
  position: relative;
  padding-left: 20px;
}

.quiet-list li::before {
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.line-icon {
  position: relative;
  width: 70px;
  height: 64px;
  margin-bottom: 28px;
  color: var(--brand-blue);
}

.home-icon::before {
  position: absolute;
  inset: 16px 10px 8px;
  border: 4px solid currentColor;
  border-top: 0;
  border-radius: 0 0 8px 8px;
  content: "";
}

.home-icon::after {
  position: absolute;
  left: 12px;
  top: 4px;
  width: 38px;
  height: 38px;
  border-top: 4px solid currentColor;
  border-left: 4px solid currentColor;
  border-radius: 6px 0 0;
  transform: rotate(45deg);
  content: "";
}

.shop-icon::before {
  position: absolute;
  left: 8px;
  right: 8px;
  top: 12px;
  height: 28px;
  border: 4px solid currentColor;
  border-radius: 10px 10px 8px 8px;
  content: "";
}

.shop-icon::after {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 34px;
  border: 4px solid currentColor;
  border-top: 0;
  border-radius: 0 0 8px 8px;
  content: "";
}

.concept {
  overflow: hidden;
}

.concept-visual {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 220px 1fr;
  align-items: center;
  gap: 36px;
  min-height: 300px;
  margin: 16px 0 42px;
}

.concept-visual::before,
.concept-visual::after {
  position: absolute;
  top: 50%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(143, 161, 179, 0.1), rgba(255, 122, 69, 0.6), rgba(143, 161, 179, 0.1));
  content: "";
}

.concept-visual::before {
  left: 18%;
  right: 50%;
}

.concept-visual::after {
  left: 50%;
  right: 16%;
}

.mist-cluster {
  position: relative;
  min-height: 240px;
}

.mist-cluster::before {
  position: absolute;
  inset: 10px 4%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 20% 42%, rgba(143, 161, 179, 0.32), transparent 12%),
    radial-gradient(circle at 45% 34%, rgba(143, 161, 179, 0.24), transparent 13%),
    radial-gradient(circle at 58% 58%, rgba(143, 161, 179, 0.26), transparent 14%),
    radial-gradient(circle at 73% 42%, rgba(255, 122, 69, 0.12), transparent 9%);
  filter: blur(10px);
  content: "";
}

.mist-cluster span {
  position: absolute;
  z-index: 1;
  color: var(--brand-blue);
  font-size: 14px;
  font-weight: 700;
}

.mist-cluster span:nth-child(1) {
  left: 12%;
  top: 30%;
}

.mist-cluster span:nth-child(2) {
  left: 35%;
  top: 66%;
}

.mist-cluster span:nth-child(3) {
  left: 61%;
  top: 24%;
}

.mist-cluster span:nth-child(4) {
  left: 70%;
  top: 58%;
}

.dialog-core {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 220px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 122, 69, 0.24);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 69, 0.1), rgba(255, 255, 255, 0.66) 62%, rgba(255, 255, 255, 0));
  text-align: center;
}

.dialog-core::before,
.dialog-core::after {
  position: absolute;
  border: 1px solid rgba(255, 122, 69, 0.16);
  border-radius: 50%;
  content: "";
}

.dialog-core::before {
  inset: -28px;
}

.dialog-core::after {
  inset: -56px;
}

.dialog-core strong {
  color: var(--accent);
  font-size: 17px;
}

.dialog-core small {
  color: var(--ink-muted);
}

.dialog-bubble {
  position: relative;
  width: 86px;
  height: 54px;
  margin-bottom: 14px;
  border: 4px solid var(--accent);
  border-radius: 18px;
}

.dialog-bubble::before {
  position: absolute;
  left: 16px;
  bottom: -16px;
  width: 18px;
  height: 18px;
  border-bottom: 4px solid var(--accent);
  border-left: 4px solid var(--accent);
  background: white;
  transform: skewY(-22deg);
  content: "";
}

.dialog-bubble::after {
  position: absolute;
  left: 22px;
  top: 21px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 20px 0 var(--accent), 40px 0 var(--accent);
  content: "";
}

.asset-stack {
  position: relative;
  min-height: 250px;
}

.asset-stack span {
  position: absolute;
  display: block;
  border: 1px solid rgba(143, 161, 179, 0.34);
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(143, 161, 179, 0.14), rgba(255, 255, 255, 0.86)),
    white;
  box-shadow: var(--shadow-soft);
}

.asset-stack span::before,
.asset-stack span::after {
  position: absolute;
  left: 18px;
  height: 3px;
  border-radius: 999px;
  background: rgba(143, 161, 179, 0.65);
  content: "";
}

.asset-stack span::before {
  top: 24px;
  width: 58%;
}

.asset-stack span::after {
  top: 42px;
  width: 42%;
}

.asset-stack span:nth-child(1) {
  left: 5%;
  top: 38px;
  width: 170px;
  height: 112px;
}

.asset-stack span:nth-child(2) {
  left: 36%;
  top: 96px;
  width: 190px;
  height: 128px;
  border-color: rgba(255, 122, 69, 0.32);
}

.asset-stack span:nth-child(3) {
  right: 2%;
  top: 22px;
  width: 150px;
  height: 206px;
}

.result-card {
  padding: 26px;
}

.result-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-weight: 800;
}

.result-card p,
.product-card p,
.process-list p,
.method-steps p,
.about-copy p,
.qr-panel p,
.accordion-list p {
  color: var(--ink-muted);
}

.products {
  background:
    linear-gradient(180deg, rgba(246, 245, 244, 0.72), rgba(255, 255, 255, 0.92)),
    var(--canvas);
}

.product-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 660px;
  padding: 42px;
  box-shadow: var(--shadow-lift);
}

.product-logo {
  width: min(250px, 100%);
  height: 96px;
  margin: 0 0 24px;
  object-fit: contain;
  object-position: left center;
  filter: drop-shadow(0 16px 28px rgba(31, 45, 61, 0.08));
}

.product-card h3 {
  position: relative;
  margin-bottom: 22px;
  font-size: 48px;
  color: var(--brand-blue-dark);
}

.product-card h3::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 4px;
  border-radius: 999px;
  background: var(--accent);
  content: "";
}

.product-mark {
  position: relative;
  width: 128px;
  height: 60px;
  margin-bottom: 28px;
}

.product-mark .brand-lines {
  left: 8px;
  right: auto;
  top: 30px;
  width: 110px;
}

.product-line {
  color: var(--ink-strong) !important;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.45;
}

.output-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 34px;
}

.output-list span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-pill);
  background: #f9fafb;
  color: var(--brand-blue-dark);
  font-size: 14px;
  font-weight: 700;
}

.product-card .button {
  margin-top: auto;
  width: 100%;
}

.process-list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list::after {
  position: absolute;
  left: 6%;
  right: 6%;
  bottom: -42px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand-blue), var(--accent));
  content: "";
}

.process-list li {
  position: relative;
  min-height: 260px;
  padding: 32px 24px;
  border-radius: var(--radius-card);
  text-align: center;
}

.process-list li:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -19px;
  width: 20px;
  height: 20px;
  border-top: 3px solid var(--accent);
  border-right: 3px solid var(--accent);
  transform: rotate(45deg);
  content: "";
}

.process-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  margin-bottom: 28px;
  border-radius: 50%;
  background: linear-gradient(180deg, #ff965f, var(--accent));
  color: #ffffff;
  font-size: 22px;
  font-weight: 800;
}

.process-list h3 {
  font-size: 24px;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: 72px;
  align-items: start;
}

.method-steps {
  display: grid;
  gap: 14px;
}

.method-steps article {
  position: relative;
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 22px;
  align-items: center;
  min-height: 96px;
  padding: 20px 24px;
  border-radius: var(--radius-card);
}

.method-steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent-active);
  font-weight: 800;
}

.method-steps p {
  margin: 0;
}

.accordion-list {
  display: grid;
  gap: 16px;
}

.accordion-list details {
  overflow: hidden;
  border-radius: var(--radius-card);
}

.accordion-list summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 84px;
  padding: 22px 28px;
  cursor: pointer;
  list-style: none;
}

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

.accordion-list summary::after {
  width: 12px;
  height: 12px;
  border-right: 3px solid var(--accent);
  border-bottom: 3px solid var(--accent);
  transform: rotate(45deg);
  transition: transform 160ms ease;
  content: "";
}

.accordion-list details[open] summary::after {
  transform: rotate(225deg);
}

.accordion-list summary span {
  color: var(--ink-strong);
  font-size: 21px;
  font-weight: 800;
}

.accordion-list summary small {
  color: var(--ink-muted);
  font-size: 15px;
  text-align: right;
}

.accordion-list details p {
  margin: 0;
  padding: 0 28px 28px;
  border-top: 1px solid var(--hairline);
}

.about-copy {
  display: grid;
  gap: 18px;
  font-size: 18px;
}

.about-copy p {
  margin: 0;
}

.contact {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 24% 44%, rgba(143, 161, 179, 0.14), transparent 24rem),
    radial-gradient(circle at 72% 58%, rgba(255, 122, 69, 0.1), transparent 22rem),
    var(--canvas);
}

.contact::before {
  position: absolute;
  right: 8%;
  top: 42%;
  width: 42%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(143, 161, 179, 0.12), var(--accent), rgba(143, 161, 179, 0.12));
  content: "";
}

.contact-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 72px;
  align-items: center;
}

.contact-actions {
  margin-top: 28px;
}

.qr-panel {
  position: relative;
  display: grid;
  gap: 22px;
  justify-items: center;
  padding: 24px;
  border-radius: 16px;
  text-align: center;
}

.qr-panel img {
  width: min(100%, 270px);
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border: 1px solid var(--hairline-strong);
  border-radius: 12px;
  background: white;
}

.qr-panel h3 {
  margin-bottom: 8px;
  color: var(--brand-blue-dark);
}

.qr-panel p {
  margin-bottom: 0;
}

.site-footer {
  padding: 56px 0 42px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.12), transparent 20rem),
    var(--footer-blue);
  color: rgba(255, 255, 255, 0.72);
}

.footer-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.footer-brand {
  width: max-content;
  max-width: 100%;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.92);
  color: #ffffff;
}

.footer-logo {
  width: 132px;
  max-height: 50px;
}

.footer-brand .brand-text span:last-child {
  color: rgba(255, 255, 255, 0.72);
}

.site-footer p {
  margin-bottom: 0;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 24px;
}

.footer-nav a {
  min-height: 32px;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: #ffffff;
}

.footer-meta {
  display: grid;
  gap: 10px;
  text-align: right;
}

:focus-visible {
  outline: 3px solid rgba(255, 122, 69, 0.36);
  outline-offset: 4px;
}

@media (max-width: 1080px) {
  h1 {
    font-size: 54px;
  }

  h2 {
    font-size: 36px;
  }

  .process-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-list li:last-child {
    grid-column: 1 / -1;
  }

  .process-list li:not(:last-child)::after,
  .process-list::after {
    display: none;
  }

  .concept-visual {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .concept-visual::before,
  .concept-visual::after {
    display: none;
  }

  .mist-cluster,
  .asset-stack {
    min-height: 210px;
  }
}

@media (max-width: 900px) {
  .site-header {
    padding: 0 24px;
  }

  .problem-grid,
  .product-grid,
  .result-grid,
  .split-layout,
  .contact-layout,
  .footer-layout {
    grid-template-columns: 1fr;
  }

  .contact-layout,
  .split-layout {
    gap: 42px;
  }

  .footer-meta {
    text-align: left;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: fixed;
    top: 76px;
    right: 16px;
    left: 16px;
    display: grid;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--hairline);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-lift);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 160ms ease, transform 160ms ease;
  }

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

  .nav-links a {
    justify-content: center;
  }

  .hero {
    min-height: auto;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(246, 245, 244, 0.92), rgba(246, 245, 244, 0.74)),
      radial-gradient(circle at 78% 32%, rgba(255, 122, 69, 0.12), transparent 18rem);
  }

  .hero-3d-canvas {
    opacity: 0.72;
  }

  .hero-content {
    min-height: auto;
    padding: 82px 0 92px;
  }

  .hero-value-logo {
    width: min(310px, 78vw);
    margin-bottom: 22px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 31px;
  }

  h3 {
    font-size: 22px;
  }

  .hero-copy {
    font-size: 18px;
  }

  .section {
    padding: 78px 0;
  }

  .section-heading.centered {
    margin-bottom: 36px;
    text-align: left;
  }

  .hero-actions,
  .contact-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button,
  .text-link {
    width: 100%;
  }

  .problem-card,
  .product-card {
    min-height: auto;
    padding: 28px;
  }

  .product-logo {
    height: 76px;
  }

  .product-card h3 {
    font-size: 40px;
  }

  .process-list {
    grid-template-columns: 1fr;
  }

  .process-list li:last-child {
    grid-column: auto;
  }

  .method-steps article {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .accordion-list summary {
    position: relative;
    display: block;
    min-height: auto;
    padding: 24px 58px 24px 22px;
  }

  .accordion-list summary span {
    display: block;
    font-size: 24px;
    line-height: 1.25;
  }

  .accordion-list summary small {
    display: block;
    min-width: 0;
    max-width: 100%;
    margin-top: 8px;
    color: var(--ink-muted);
    font-size: 16px;
    line-height: 1.55;
    text-align: left;
    white-space: normal;
    word-break: normal;
    overflow-wrap: break-word;
    writing-mode: horizontal-tb;
  }

  .accordion-list summary::after {
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
  }

  .accordion-list details[open] summary::after {
    transform: translateY(-50%) rotate(225deg);
  }

  .accordion-list details p {
    padding: 18px 22px 24px;
    font-size: 16px;
    line-height: 1.8;
  }

  .hero-doc-a,
  .hero-doc-b,
  .hero-doc-c {
    opacity: 0.42;
  }

  .contact::before {
    display: none;
  }

  .qr-panel {
    padding: 18px;
  }

  .qr-panel img {
    width: min(100%, 300px);
  }

  .flow-line-one,
  .flow-line-two,
  .flow-line-three {
    right: -24%;
    width: 80%;
  }
}

@media (max-width: 520px) {
  .site-header {
    min-height: 68px;
    padding: 0 16px;
  }

  .logo-main {
    width: 124px;
    max-height: 48px;
  }

  .footer-logo {
    width: 118px;
  }

  .nav-links {
    top: 68px;
  }

  h1 {
    font-size: 35px;
  }

  h2 {
    font-size: 28px;
  }

  .section-heading p:not(.eyebrow),
  .about-copy,
  .hero-copy {
    font-size: 16px;
  }

  .product-line {
    font-size: 19px;
  }

  .product-logo {
    width: min(220px, 100%);
    height: 68px;
    margin-bottom: 18px;
  }

  .concept-visual {
    margin-bottom: 28px;
  }

  .dialog-core {
    min-height: 190px;
  }

  .dialog-core::before {
    inset: -18px;
  }

  .dialog-core::after {
    inset: -36px;
  }

  .asset-stack span:nth-child(1) {
    left: 0;
  }

  .asset-stack span:nth-child(2) {
    left: 20%;
  }

  .asset-stack span:nth-child(3) {
    right: 0;
  }

  .footer-nav {
    grid-template-columns: 1fr;
  }
}

@media (hover: none), (pointer: coarse) {
  .hero-3d-canvas {
    cursor: default;
  }

  .cursor-glow {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .cursor-glow {
    display: none;
  }
}