:root {
  --ink: #11100e;
  --muted: #6f6a62;
  --paper: #f7f2ea;
  --soft: #efe7dc;
  --line: rgba(17, 16, 14, 0.14);
  --rose: #e9afa5;
  --blue: #9dbad0;
  --sage: #a9bca8;
  --red: #d8222b;
  --navy: #24105d;
  --shadow: 0 30px 80px rgba(26, 23, 18, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 5%, rgba(233, 175, 165, 0.45), transparent 28rem),
    radial-gradient(circle at 82% 12%, rgba(157, 186, 208, 0.48), transparent 30rem),
    linear-gradient(180deg, #fbf8f1 0%, var(--paper) 44%, #f9f5ee 100%);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.38;
  background-image:
    linear-gradient(rgba(17, 16, 14, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 16, 14, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
}

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

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

.section-shell {
  width: min(100% - 48px, 1240px);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(100% - 32px, 1240px);
  margin: 16px auto 0;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  background: rgba(250, 247, 240, 0.72);
  box-shadow: 0 10px 30px rgba(17, 16, 14, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 650;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 52%;
  background: white;
}

.brand span {
  white-space: nowrap;
}

.nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.46);
}

.nav a {
  min-width: 74px;
  padding: 8px 14px;
  border-radius: 999px;
  color: rgba(17, 16, 14, 0.68);
  font-size: 14px;
  text-align: center;
  transition: color 180ms ease, background 180ms ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  outline: none;
}

.nav-cta {
  justify-self: end;
  padding: 11px 18px;
  border-radius: 999px;
  color: #fff;
  background: var(--ink);
  font-size: 14px;
  font-weight: 650;
  transition: transform 180ms ease, background 180ms ease;
}

.nav-cta:hover {
  transform: translateY(-1px);
  background: #312d29;
}

.hero {
  min-height: calc(100svh - 86px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
  padding: 76px 0 34px;
}

.hero-copy {
  max-width: 1120px;
}

.eyebrow,
.section-label {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 1120px;
  margin-bottom: 22px;
  font-size: clamp(58px, 10.2vw, 148px);
  line-height: 0.94;
  font-weight: 520;
  letter-spacing: 0;
}

.hero-subtitle {
  max-width: 760px;
  margin-bottom: 30px;
  color: rgba(17, 16, 14, 0.72);
  font-size: clamp(20px, 2.4vw, 34px);
  line-height: 1.2;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button.primary {
  color: white;
  background: var(--ink);
  box-shadow: 0 12px 30px rgba(17, 16, 14, 0.18);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.5);
}

.hero-visual {
  position: relative;
  height: clamp(360px, 52vw, 680px);
  margin-top: 46px;
  overflow: hidden;
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.06)),
    linear-gradient(135deg, var(--rose), var(--blue) 52%, var(--sage));
  box-shadow: var(--shadow);
  isolation: isolate;
}

.hero-visual::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, rgba(17, 16, 14, 0.02), rgba(17, 16, 14, 0.34)),
    radial-gradient(circle at 76% 18%, rgba(255, 255, 255, 0.52), transparent 20rem);
  mix-blend-mode: multiply;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.95) contrast(0.98);
}

.floating-card {
  position: absolute;
  z-index: 2;
  display: grid;
  gap: 8px;
  width: min(280px, 48vw);
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: 8px;
  background: rgba(250, 247, 240, 0.68);
  box-shadow: 0 18px 48px rgba(17, 16, 14, 0.16);
  backdrop-filter: blur(18px);
}

.floating-card span {
  color: rgba(17, 16, 14, 0.58);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.floating-card strong {
  font-size: 26px;
  font-weight: 560;
}

.top-card {
  top: 28px;
  right: 28px;
}

.bottom-card {
  left: 28px;
  bottom: 28px;
}

.intro {
  padding: 96px 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: clamp(28px, 6vw, 96px);
  align-items: start;
}

.intro p {
  color: rgba(17, 16, 14, 0.72);
  font-size: clamp(18px, 2vw, 26px);
  line-height: 1.55;
}

.intro .lead {
  color: var(--ink);
  font-size: clamp(28px, 4.1vw, 58px);
  line-height: 1.12;
  font-weight: 500;
}

.feature-band {
  padding: 104px 0 116px;
  background: #12100e;
  color: #f9f4ed;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: 40px;
  margin-bottom: 54px;
}

.feature-band .section-label {
  color: rgba(249, 244, 237, 0.56);
}

.section-heading h2,
.story h2,
.contact-copy h2 {
  margin-bottom: 0;
  font-size: clamp(36px, 5.7vw, 88px);
  line-height: 0.99;
  font-weight: 520;
  letter-spacing: 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(249, 244, 237, 0.16);
  border: 1px solid rgba(249, 244, 237, 0.16);
}

.service-card {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  padding: 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    #12100e;
}

.card-index {
  margin-bottom: auto;
  color: rgba(249, 244, 237, 0.42);
  font-size: 13px;
  font-weight: 700;
}

.service-card h3 {
  margin-bottom: 18px;
  font-size: 28px;
  font-weight: 560;
}

.service-card p {
  margin-bottom: 12px;
  color: rgba(249, 244, 237, 0.82);
  font-size: 17px;
  line-height: 1.5;
}

.service-card .en {
  color: rgba(249, 244, 237, 0.54);
  font-size: 14px;
}

.story {
  padding: 116px 0;
}

.custom-route {
  padding: 106px 0 18px;
}

.story-copy {
  max-width: 820px;
}

.story-copy h2 {
  margin-bottom: 32px;
}

.story-copy p {
  color: rgba(17, 16, 14, 0.68);
  font-size: clamp(17px, 1.8vw, 23px);
  line-height: 1.58;
}

.contact-band {
  padding: 106px 0;
  color: white;
  background:
    radial-gradient(circle at 15% 10%, rgba(216, 34, 43, 0.38), transparent 24rem),
    radial-gradient(circle at 88% 26%, rgba(36, 16, 93, 0.6), transparent 28rem),
    #13100f;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(36px, 8vw, 116px);
  align-items: start;
}

.contact-copy .section-label {
  color: rgba(255, 255, 255, 0.56);
}

.contact-copy h2 {
  margin-bottom: 26px;
}

.contact-copy p {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 20px;
  line-height: 1.55;
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.qr-card {
  display: grid;
  gap: 18px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.qr-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  background: white;
  object-fit: cover;
  object-position: center;
}

.qr-card .personal-qr {
  object-position: center 55%;
}

.qr-card .brand-qr {
  object-position: center 54%;
}

.qr-card h3 {
  margin-bottom: 6px;
  font-size: 20px;
  font-weight: 560;
}

.qr-card p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.58);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 0 42px;
  color: var(--muted);
  font-size: 14px;
}

.footer p {
  margin: 0;
}

.footer a {
  font-weight: 700;
}

.reveal-ready [data-reveal] {
  opacity: 1;
  transform: none;
  transition: transform 300ms ease;
}

.reveal-ready [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav {
    display: none;
  }

  .intro-grid,
  .section-heading,
  .story,
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .service-card {
    min-height: 300px;
  }
}

@media (max-width: 640px) {
  .section-shell {
    width: min(100% - 28px, 1240px);
  }

  .site-header {
    top: 10px;
    width: min(100% - 20px, 1240px);
  }

  .brand span {
    display: none;
  }

  .nav-cta {
    padding-inline: 14px;
  }

  .hero {
    min-height: auto;
    padding-top: 58px;
  }

  h1 {
    font-size: clamp(48px, 17vw, 78px);
  }

  .hero-subtitle {
    font-size: 20px;
  }

  .hero-visual {
    height: 460px;
    border-radius: 8px;
  }

  .floating-card {
    width: calc(100% - 32px);
    padding: 15px;
  }

  .top-card {
    top: 16px;
    right: 16px;
  }

  .bottom-card {
    left: 16px;
    bottom: 16px;
  }

  .intro,
  .story,
  .feature-band,
  .contact-band {
    padding-block: 72px;
  }

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

  .service-card {
    min-height: 260px;
  }

  .route-panel {
    padding: 22px;
  }

  .footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}