:root {
  --ink: #080806;
  --ink-soft: #10120b;
  --moss: #758f36;
  --moss-bright: #a9c165;
  --moss-deep: #5b6f2c;
  --moss-dark: #38451e;
  --cream: #f5f1e1;
  --cream-strong: #fbf8ec;
  --cream-dim: rgba(245, 241, 225, 0.62);
  --line: rgba(245, 241, 225, 0.14);
  --card: linear-gradient(158deg, #687f34 0%, #586d2c 48%, #46581f 100%);
  --max: 1240px;
  --font: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei",
    "PingFang SC", "Hiragino Sans GB", sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100svh;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

@supports (overflow: clip) {
  html,
  body {
    overflow-x: clip;
  }
}

::selection {
  background: var(--moss);
  color: #fff;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(1000px 760px at 76% 10%, rgba(117, 143, 54, 0.19), transparent 62%),
    radial-gradient(720px 560px at 6% 88%, rgba(117, 143, 54, 0.07), transparent 70%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.86' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 96px));
  margin: 0 auto;
}

.site {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100svh;
}

main {
  flex: 1;
}

/* Header */
.site-header {
  position: relative;
  z-index: 5;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 100px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 17px;
  text-decoration: none;
  transition: opacity 0.25s ease;
}

.brand:hover {
  opacity: 0.82;
}

.brand-mark {
  display: block;
  width: 72px;
  height: auto;
  filter: drop-shadow(0 0 20px rgba(117, 143, 54, 0.28));
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.brand-name {
  font-size: 28px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.07em;
  color: var(--cream);
}

.brand-name sup {
  margin-left: 2px;
  font-size: 9px;
  color: var(--moss-bright);
  vertical-align: 11px;
}

.brand-en {
  font-size: 10px;
  line-height: 1;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: rgba(245, 241, 225, 0.42);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(245, 241, 225, 0.72);
  white-space: nowrap;
}

.nav-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--moss-bright);
}

.nav-micro {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: rgba(245, 241, 225, 0.34);
  white-space: nowrap;
}

/* Hero */
.hero {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(380px, 0.94fr);
  align-items: center;
  gap: clamp(40px, 6vw, 84px);
  padding: 48px 0 70px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 660px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 22px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--moss-bright);
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--moss);
}

.hero h1 {
  margin: 0;
  font-size: clamp(58px, 8.1vw, 110px);
  line-height: 0.98;
  font-weight: 800;
  letter-spacing: -0.035em;
}

.hero h1 .line {
  display: block;
}

.hero h1 .g {
  color: var(--moss-bright);
}

.tagline {
  margin: 24px 0 0;
  max-width: 560px;
  font-size: clamp(19px, 2vw, 25px);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: rgba(245, 241, 225, 0.92);
}

.lede {
  max-width: 560px;
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--cream-dim);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 60px;
  padding: 12px 14px 12px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.015em;
  line-height: 1.2;
  text-decoration: none;
  transition:
    transform 0.25s ease,
    background-color 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.btn-primary {
  background: var(--moss-deep);
  color: var(--cream-strong);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
  background: #6c8339;
  transform: translateY(-2px);
  box-shadow: 0 18px 44px rgba(117, 143, 54, 0.24);
}

.btn-secondary {
  background: rgba(245, 241, 225, 0.02);
  border-color: rgba(245, 241, 225, 0.24);
  color: var(--cream);
}

.btn-secondary:hover {
  background: rgba(117, 143, 54, 0.1);
  border-color: rgba(169, 193, 101, 0.7);
  transform: translateY(-2px);
}

.btn:focus-visible {
  outline: 2px solid var(--moss-bright);
  outline-offset: 4px;
}

.btn .icon {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 50%;
}

.btn-primary .icon {
  background: rgba(0, 0, 0, 0.16);
}

.btn-secondary .icon {
  background: rgba(245, 241, 225, 0.08);
}

.btn .icon svg {
  width: 17px;
  height: 17px;
  transition: transform 0.25s ease;
}

.btn:hover .icon svg {
  transform: translateX(2px);
}

.hero-meta {
  margin: 22px 0 0;
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: rgba(245, 241, 225, 0.34);
}

.hero-meta b {
  font-weight: 500;
  color: rgba(245, 241, 225, 0.58);
}

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 600px;
}

.hero-watermark {
  position: absolute;
  top: 18px;
  right: -30px;
  width: 560px;
  max-width: none;
  opacity: 0.055;
  transform: rotate(-6deg);
  pointer-events: none;
  user-select: none;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(245, 241, 225, 0.07);
  border-radius: 50%;
  pointer-events: none;
}

.orbit.o1 {
  top: 34px;
  right: -26px;
  width: 520px;
  height: 520px;
}

.orbit.o2 {
  top: 102px;
  right: 36px;
  width: 392px;
  height: 392px;
  border-color: rgba(117, 143, 54, 0.18);
}

.product-card {
  position: relative;
  z-index: 2;
  width: min(100%, 430px);
  padding: 24px;
  overflow: hidden;
  border-radius: 34px 34px 34px 10px;
  background: var(--card);
  box-shadow:
    0 40px 90px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.product-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(120% 70% at 85% 0%, rgba(255, 255, 255, 0.12), transparent 55%);
  pointer-events: none;
}

.card-top,
.card-media,
.card-badges,
.card-stats,
.card-foot {
  position: relative;
  z-index: 2;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(245, 241, 225, 0.28);
}

.card-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
}

.card-brand img {
  display: block;
  width: 30px;
  height: auto;
}

.card-brand sup {
  margin-left: 1px;
  font-size: 8px;
  color: rgba(251, 248, 236, 0.68);
  vertical-align: 7px;
}

.card-en {
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.62);
  white-space: nowrap;
}

.card-media {
  margin-top: 18px;
}

.card-photo {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(245, 241, 225, 0.26);
  border-radius: 22px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
}

.card-photo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.photo-label {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(8, 8, 6, 0.52);
  color: #f7f3e4;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.photo-label::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--moss-bright);
}

.badge-days {
  position: absolute;
  top: -14px;
  right: -8px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: var(--cream);
  color: #17190f;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.28);
  transform: rotate(8deg);
}

.badge-days strong {
  font-size: 22px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.badge-days span {
  font-size: 8px;
  letter-spacing: 0.08em;
  color: #4a4a3a;
}

.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 16px;
}

.card-badges span {
  padding: 6px 11px;
  border-radius: 999px;
  background: var(--cream);
  color: #17190f;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.card-stats {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  margin-top: 18px;
  padding-top: 17px;
  border-top: 1px solid rgba(245, 241, 225, 0.28);
}

.card-stats strong {
  display: block;
  font-size: 38px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--cream-strong);
}

.card-stats strong em {
  margin-left: 2px;
  font-size: 18px;
  font-style: normal;
}

.card-stats small {
  display: block;
  margin-top: 7px;
  font-size: 10px;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: rgba(251, 248, 236, 0.74);
}

.card-stats .stat + .stat {
  padding-left: 18px;
  border-left: 1px solid rgba(245, 241, 225, 0.25);
}

.card-foot {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 16px;
  font-size: 8px;
  letter-spacing: 0.16em;
  color: rgba(251, 248, 236, 0.5);
}

/* Product notes */
.proof {
  position: relative;
  z-index: 1;
  padding: 36px 0 44px;
  border-top: 1px solid var(--line);
}

.proof-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.proof-head h2 {
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--moss-bright);
}

.proof-head p {
  margin: 0;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: rgba(245, 241, 225, 0.34);
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
}

.fact {
  padding: 0 30px;
  border-left: 1px solid var(--line);
}

.fact:first-child {
  padding-left: 0;
  border-left: 0;
}

.fact dt {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: rgba(245, 241, 225, 0.46);
}

.fact dt span {
  font-weight: 700;
  color: var(--moss);
}

.fact dd {
  margin: 9px 0 0;
}

.fact strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.fact dd span {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  line-height: 1.7;
  color: var(--cream-dim);
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  padding: 26px 0 32px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 11px;
}

.footer-brand img {
  width: 30px;
  height: auto;
}

.footer-brand strong {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.footer-brand span {
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: rgba(245, 241, 225, 0.36);
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 10px;
  letter-spacing: 0.04em;
  color: rgba(245, 241, 225, 0.34);
}

.footer-meta a {
  color: rgba(245, 241, 225, 0.56);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-meta a:hover {
  color: var(--moss-bright);
}

.footer-legal {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.footer-legal a {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  color: rgba(245, 241, 225, 0.5);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-legal a:hover {
  color: var(--moss-bright);
}

/* Traceability page */
.trace-main {
  position: relative;
  z-index: 1;
  padding: 30px 0 80px;
}

.trace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
  align-items: center;
  gap: clamp(40px, 6vw, 80px);
  min-height: calc(100svh - 280px);
}

.trace-copy h1 {
  margin: 0;
  font-size: clamp(54px, 7.4vw, 96px);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.035em;
}

.trace-copy h1 .line {
  display: block;
}

.trace-copy h1 .g {
  color: var(--moss-bright);
}

.trace-copy .lede {
  max-width: 520px;
}

.trace-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.trace-panel {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border: 1px solid rgba(117, 143, 54, 0.34);
  border-radius: 32px 32px 32px 10px;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(117, 143, 54, 0.16), transparent 55%),
    #10130b;
  box-shadow: 0 34px 80px rgba(0, 0, 0, 0.45);
}

.trace-panel::before {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 380px;
  height: 380px;
  background: url("brand-cat-cream.png") center / contain no-repeat;
  opacity: 0.05;
  transform: rotate(-8deg);
  pointer-events: none;
}

.trace-panel-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.trace-panel-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.trace-panel-brand img {
  width: 28px;
}

.trace-file {
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: rgba(245, 241, 225, 0.36);
}

.trace-status {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 7px 12px;
  border: 1px solid rgba(169, 193, 101, 0.35);
  border-radius: 999px;
  background: rgba(117, 143, 54, 0.1);
  color: var(--moss-bright);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.trace-status .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--moss-bright);
  box-shadow: 0 0 0 4px rgba(169, 193, 101, 0.1);
}

.trace-steps {
  position: relative;
  z-index: 1;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.trace-steps li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.trace-steps li:first-child {
  border-top: 0;
  padding-top: 0;
}

.trace-steps .num {
  padding-top: 3px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--moss);
}

.trace-steps strong {
  display: block;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.trace-steps small {
  display: block;
  margin-top: 5px;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: rgba(245, 241, 225, 0.36);
}

.trace-note {
  position: relative;
  z-index: 1;
  margin: 12px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  line-height: 1.8;
  color: var(--cream-dim);
}

/* Entrance motion */
@keyframes rise {
  from {
    transform: translateY(16px);
  }
  to {
    transform: none;
  }
}

.hero-copy > *,
.hero-visual,
.trace-copy > *,
.trace-panel {
  animation: rise 0.85s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.hero-copy .eyebrow,
.trace-copy .eyebrow {
  animation-delay: 0.04s;
}

.hero-copy h1,
.trace-copy h1 {
  animation-delay: 0.1s;
}

.hero-copy .tagline,
.trace-copy .tagline {
  animation-delay: 0.17s;
}

.hero-copy .lede,
.trace-copy .lede {
  animation-delay: 0.23s;
}

.hero-copy .actions,
.trace-copy .trace-actions {
  animation-delay: 0.29s;
}

.hero-copy .hero-meta {
  animation-delay: 0.35s;
}

.hero-visual {
  animation-delay: 0.18s;
}

.trace-panel {
  animation-delay: 0.2s;
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .hero-copy > *,
  .hero-visual,
  .trace-copy > *,
  .trace-panel {
    opacity: 1;
  }
}

/* Responsive */
@media (max-width: 1080px) {
  .nav-micro {
    display: none;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 0.9fr);
    gap: 42px;
  }

  .hero-visual {
    min-height: 560px;
  }

  .hero-watermark {
    width: 500px;
    right: -20px;
  }

  .orbit.o1 {
    width: 460px;
    height: 460px;
  }

  .orbit.o2 {
    width: 350px;
    height: 350px;
  }
}

@media (min-width: 901px) and (max-width: 1080px) {
  .actions {
    flex-direction: column;
    align-items: stretch;
  }

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

@media (min-width: 901px) and (max-width: 1080px) {
  .actions {
    flex-direction: column;
    align-items: stretch;
  }

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

@media (max-width: 900px) {
  .wrap {
    width: min(var(--max), calc(100% - 56px));
  }

  .hero,
  .trace-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero {
    padding-top: 26px;
    padding-bottom: 56px;
  }

  .hero-copy {
    max-width: 640px;
  }

  .hero-visual {
    min-height: 0;
    justify-content: center;
    padding-left: 0;
  }

  .hero-watermark,
  .orbit {
    display: none;
  }

  .product-card {
    width: min(100%, 430px);
  }

  .trace-grid {
    min-height: 0;
    padding-top: 10px;
  }

  .trace-copy {
    max-width: 640px;
  }

  .trace-panel {
    width: min(100%, 560px);
    justify-self: center;
  }

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

  .fact {
    padding: 18px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .fact:first-child {
    padding-top: 0;
    border-top: 0;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }
}

@media (max-width: 640px) {
  .wrap {
    width: calc(100% - 40px);
  }

  .nav {
    height: 84px;
  }

  .brand-mark {
    width: 60px;
  }

  .brand-name {
    font-size: 21px;
  }

  .brand-en {
    font-size: 7px;
  }

  .nav-tag {
    padding: 6px 10px;
    font-size: 10px;
  }

  .hero {
    gap: 38px;
    padding-top: 14px;
    padding-bottom: 44px;
  }

  .hero h1 {
    font-size: clamp(50px, 15vw, 68px);
    letter-spacing: -0.04em;
  }

  .eyebrow {
    margin-bottom: 18px;
    font-size: 9px;
    letter-spacing: 0.2em;
  }

  .tagline {
    margin-top: 20px;
    font-size: 18px;
  }

  .lede {
    margin-top: 14px;
    font-size: 14px;
  }

  .actions {
    flex-direction: column;
    margin-top: 30px;
  }

  .btn {
    width: 100%;
    min-height: 58px;
    font-size: 14.5px;
  }

  .hero-meta {
    margin-top: 18px;
    font-size: 9.5px;
    line-height: 1.7;
  }

  .hero-visual {
    padding-left: 0;
  }

  .product-card {
    padding: 18px;
    border-radius: 28px 28px 28px 8px;
  }

  .card-brand {
    font-size: 15px;
  }

  .card-en {
    display: none;
  }

  .badge-days {
    top: -10px;
    right: -4px;
    width: 68px;
    height: 68px;
  }

  .badge-days strong {
    font-size: 19px;
  }

  .card-stats {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .card-stats strong {
    font-size: 32px;
  }

  .card-stats .stat + .stat {
    padding-left: 14px;
  }

  .card-stats small {
    font-size: 9px;
  }

  .proof {
    padding: 28px 0 34px;
  }

  .proof-head {
    flex-direction: column;
    gap: 6px;
    margin-bottom: 18px;
  }

  .trace-main {
    padding-top: 8px;
  }

  .trace-copy h1 {
    font-size: clamp(48px, 14vw, 64px);
  }

  .trace-actions {
    flex-direction: column;
    margin-top: 28px;
  }

  .trace-panel {
    padding: 20px;
    border-radius: 26px 26px 26px 8px;
  }

  .footer-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* Mobile-first refinements */
html {
  -webkit-text-size-adjust: 100%;
}

.brand,
.btn,
.footer-meta a,
.nav a {
  touch-action: manipulation;
}

.btn {
  -webkit-tap-highlight-color: transparent;
}

@media (max-width: 640px) {
  .nav {
    height: 84px;
  }

  .brand {
    min-height: 60px;
    padding: 4px 0;
  }

  .brand-mark {
    width: 60px;
  }

  .brand-name {
    font-size: 21px;
  }

  .brand-en {
    display: none;
  }

  .eyebrow {
    font-size: 10px;
    letter-spacing: 0.16em;
  }

  .hero-meta {
    font-size: 10.5px;
  }

  .product-card {
    padding: 16px;
  }

  .card-brand {
    font-size: 16px;
  }

  .badge-days {
    width: 64px;
    height: 64px;
  }

  .badge-days strong {
    font-size: 18px;
  }

  .badge-days span {
    font-size: 7.5px;
  }

  .card-badges span {
    padding: 7px 12px;
    font-size: 11px;
  }

  .photo-label {
    bottom: 10px;
    left: 10px;
    padding: 7px 10px;
    font-size: 11px;
  }

  .card-stats small {
    font-size: 10px;
  }

  .card-foot {
    display: none;
  }

  .proof-head p {
    font-size: 11px;
  }

  .fact dt {
    font-size: 10px;
    letter-spacing: 0.14em;
  }

  .fact dd span {
    font-size: 12px;
  }

  .trace-status {
    font-size: 11px;
  }

  .trace-steps strong {
    font-size: 18px;
  }

  .trace-steps small {
    font-size: 11px;
  }

  .trace-note {
    font-size: 12px;
  }

  .footer-brand span {
    font-size: 9px;
  }

  .footer-meta {
    gap: 0;
    font-size: 11px;
  }

  .footer-meta span {
    padding: 4px 0;
  }

  .footer-meta a {
    display: flex;
    align-items: center;
    min-height: 40px;
  }

  .site-footer {
    padding-bottom: calc(26px + env(safe-area-inset-bottom));
  }

  .footer-legal {
    justify-content: flex-start;
    margin-top: 2px;
    font-size: 12px;
  }

  .footer-legal a {
    min-height: 40px;
  }
}

@media (max-width: 360px) {
  .brand-mark {
    width: 56px;
  }

  .brand-name {
    font-size: 19px;
  }

  .nav-tag {
    padding: 6px 9px;
    font-size: 9.5px;
  }

  .hero h1 {
    font-size: clamp(44px, 14.5vw, 56px);
  }

  .eyebrow {
    letter-spacing: 0.12em;
  }

  .tagline {
    font-size: 17px;
  }

  .btn {
    padding-left: 20px;
    font-size: 14px;
  }

  .badge-days {
    width: 58px;
    height: 58px;
  }

  .badge-days strong {
    font-size: 17px;
  }

  .badge-days span {
    font-size: 7px;
  }

  .card-brand {
    font-size: 15px;
  }

  .photo-label {
    font-size: 10px;
  }

  .card-stats strong {
    font-size: 29px;
  }

  .card-stats small {
    font-size: 9.5px;
  }

  .trace-file {
    display: none;
  }

  .footer-meta {
    font-size: 10.5px;
  }
}