:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-strong: #eef2f8;
  --text: #14181f;
  --muted: #667085;
  --line: rgba(20, 24, 31, 0.12);
  --brand: #31218b;
  --brand-2: #91cd00;
  --steel: #4a5f75;
  --amber: #c9902a;
  --shadow: 0 18px 60px rgba(21, 28, 40, 0.12);
  --header: rgba(247, 248, 251, 0.82);
  --radius: 8px;
  --max: 1180px;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0c1118;
  --surface: #131a23;
  --surface-strong: #192331;
  --text: #f4f7fb;
  --muted: #a8b3c2;
  --line: rgba(244, 247, 251, 0.14);
  --brand: #8b7dff;
  --brand-2: #9be21b;
  --steel: #9bb0c6;
  --amber: #e0ad49;
  --shadow: 0 18px 70px rgba(0, 0, 0, 0.36);
  --header: rgba(12, 17, 24, 0.82);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", "Segoe UI", sans-serif;
  line-height: 1.65;
  word-break: keep-all;
  overflow-x: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  transform: translateY(-140%);
  padding: 10px 14px;
  background: var(--text);
  color: var(--bg);
  border-radius: var(--radius);
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: transparent;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: var(--header);
  border-color: var(--line);
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(100% - 36px, var(--max));
  height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 148px;
  min-width: 148px;
}

.brand img,
.site-footer img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.08));
}

.site-header:not(.is-scrolled) .brand img {
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.28)) brightness(1.35) saturate(1.2);
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: 1;
  max-width: max-content;
  padding: 6px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(6, 9, 14, 0.32);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(16px);
}

.site-header.is-scrolled .desktop-nav {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.78);
}

.desktop-nav a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  color: rgba(255, 255, 255, 0.86);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 850;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.46);
  transition: color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.site-header.is-scrolled .desktop-nav a {
  color: #344054;
  text-shadow: none;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible {
  color: #fff;
  background: rgba(145, 205, 0, 0.82);
  box-shadow: 0 8px 22px rgba(145, 205, 0, 0.18);
  outline: none;
}

.site-header.is-scrolled .desktop-nav a:hover,
.site-header.is-scrolled .desktop-nav a:focus-visible {
  color: #101722;
  background: rgba(145, 205, 0, 0.72);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-button,
.menu-button {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  display: inline-grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(16, 24, 40, 0.08);
}

.icon-button {
  position: relative;
}

.sun-icon,
.moon-icon {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  transition: opacity 160ms ease, transform 160ms ease;
}

.sun-icon {
  background: var(--amber);
  box-shadow: 0 0 0 5px rgba(201, 144, 42, 0.18);
}

.moon-icon {
  opacity: 0;
  transform: scale(0.55);
  background: transparent;
  box-shadow: inset 6px -5px 0 0 var(--steel);
}

[data-theme="dark"] .sun-icon {
  opacity: 0;
  transform: scale(0.55);
}

[data-theme="dark"] .moon-icon {
  opacity: 1;
  transform: scale(1);
}

.primary-button,
.secondary-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
  white-space: nowrap;
}

.menu-button {
  display: none;
  gap: 4px;
}

.menu-button span {
  width: 17px;
  height: 2px;
  background: currentColor;
  border-radius: 99px;
}

.mobile-panel {
  display: none;
  width: min(100% - 36px, var(--max));
  margin: -4px auto 14px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.mobile-panel a {
  display: block;
  padding: 12px 8px;
  color: var(--muted);
  font-weight: 800;
  border-bottom: 1px solid var(--line);
}

.mobile-panel a:last-child {
  border-bottom: 0;
  color: var(--brand);
}

.mobile-panel.is-open {
  display: block;
}

.section {
  width: min(100% - 36px, var(--max));
  margin: 0 auto;
  padding: 104px 0;
}

.hero {
  position: relative;
  width: 100%;
  min-height: 88svh;
  padding: 132px 0 86px;
  overflow: hidden;
  display: grid;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: #101722;
  overflow: hidden;
  pointer-events: none;
}

.hero-bg iframe,
.hero-bg img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: max(100vw, 177.78svh);
  height: max(56.25vw, 100svh);
  transform: translate(-50%, -50%);
  border: 0;
}

.hero-bg iframe {
  z-index: 1;
  pointer-events: none;
  opacity: 0.9;
  filter: saturate(1.08) contrast(1.02);
}

.hero-bg img {
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(1.15) contrast(1.08);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(90deg, rgba(6, 9, 14, 0.78), rgba(6, 9, 14, 0.48) 44%, rgba(6, 9, 14, 0.18)),
    linear-gradient(0deg, rgba(6, 9, 14, 0.42), rgba(6, 9, 14, 0.12) 34%, rgba(6, 9, 14, 0.2)),
    radial-gradient(circle at 76% 24%, rgba(145, 205, 0, 0.22), transparent 30%),
    radial-gradient(circle at 24% 90%, rgba(49, 33, 139, 0.46), transparent 36%);
}

.hero-inner {
  position: relative;
  z-index: 3;
  width: min(100% - 36px, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 420px);
  gap: 60px;
  align-items: center;
}

.hero-copy {
  color: #fff;
  text-shadow: 0 3px 24px rgba(0, 0, 0, 0.46);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-2);
  font-size: 13px;
  line-height: 1.2;
  font-weight: 900;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  color: #fff;
  font-size: clamp(40px, 5.4vw, 68px);
  font-weight: 950;
}

.hero-lead {
  max-width: 680px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.96);
  font-size: 19px;
  font-weight: 650;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.primary-button {
  padding: 0 22px;
  background: var(--brand-2);
  color: #101722;
}

.secondary-button {
  padding: 0 22px;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.hero-visual {
  position: relative;
  min-height: 520px;
}

.hero-main-img {
  width: 100%;
  height: 430px;
  object-fit: cover;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
  filter: brightness(1.06) contrast(1.04) saturate(1.04);
}

.hero-floating-card {
  position: absolute;
  top: 26px;
  right: -24px;
  width: 132px;
  height: 132px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 4px;
  border-radius: 50%;
  background: var(--brand-2);
  color: #111827;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.26);
}

.hero-floating-card strong {
  font-size: 34px;
  line-height: 1;
}

.hero-floating-card span {
  font-size: 13px;
  font-weight: 900;
}

.hero-mosaic {
  position: absolute;
  left: -24px;
  bottom: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: min(82%, 360px);
  padding: 10px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 20px;
  backdrop-filter: blur(14px);
}

.hero-mosaic img {
  height: 116px;
  width: 100%;
  object-fit: cover;
  border-radius: 14px;
}

.quick-links {
  position: relative;
  z-index: 2;
  width: min(100% - 36px, var(--max));
  margin: -46px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.quick-card {
  min-height: 150px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  display: grid;
  align-content: start;
  gap: 8px;
}

.quick-card span {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(49, 33, 139, 0.1);
  color: var(--brand);
  font-size: 12px;
  font-weight: 950;
}

.quick-card strong {
  font-size: 22px;
}

.quick-card small {
  color: var(--muted);
  font-size: 14px;
}

.section-heading {
  max-width: 820px;
  margin: 0 auto 46px;
  text-align: center;
}

.section-heading.align-left {
  margin: 0;
  text-align: left;
}

.section-heading h2,
.vision-panel h2,
.contact-info h2 {
  font-size: clamp(30px, 4.8vw, 54px);
  font-weight: 950;
}

.section-heading p:not(.eyebrow),
.vision-panel p,
.contact-info p,
.message-panel p,
.product-copy p,
.business-card p,
.product-card p,
.news-card p,
.faq-list p {
  color: var(--muted);
}

.section-heading p:not(.eyebrow) {
  margin: 18px auto 0;
  max-width: 720px;
  font-size: 18px;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 24px;
  align-items: stretch;
}

.message-panel,
.overview-list,
.product-copy,
.quality-points,
.contact-form,
.news-card,
.vision-grid article,
.faq-list,
.vision-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.message-panel {
  padding: 38px;
  display: grid;
  align-content: center;
}

.panel-kicker {
  margin: 0 0 12px;
  color: var(--brand);
  font-weight: 900;
  text-transform: uppercase;
}

.message-panel h3 {
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 950;
}

.message-panel p {
  margin: 18px 0 0;
}

.message-panel .signature {
  color: var(--text);
  font-weight: 900;
}

.overview-list {
  padding: 10px;
  display: grid;
}

.overview-list div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.overview-list div:last-child {
  border-bottom: 0;
}

.overview-list span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 900;
}

.overview-list strong {
  font-size: 18px;
}

.value-strip {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.value-strip div {
  min-height: 160px;
  padding: 26px;
  background: var(--surface);
}

.value-strip span {
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
}

.value-strip strong {
  display: block;
  margin-top: 12px;
  font-size: 28px;
}

.value-strip p {
  margin: 8px 0 0;
  color: var(--muted);
}

.business {
  width: 100%;
  max-width: none;
  padding-inline: 18px;
  background:
    linear-gradient(180deg, transparent 0, transparent 8%, var(--surface-strong) 8%, var(--surface-strong) 92%, transparent 92%);
}

.business > * {
  width: min(100%, var(--max));
  margin-left: auto;
  margin-right: auto;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.business-card {
  min-height: 440px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.business-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.business-card div {
  padding: 24px;
}

.business-card span {
  color: var(--brand-2);
  font-weight: 950;
}

.business-card h3,
.product-copy h3,
.product-card h3,
.news-card h3,
.vision-grid h3 {
  margin-top: 8px;
  font-size: 24px;
}

.business-card p,
.product-card p,
.news-card p,
.vision-grid p {
  margin: 12px 0 0;
}

.product-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 1.1fr);
  gap: 24px;
  align-items: stretch;
}

.product-copy {
  padding: 34px;
  display: grid;
  align-content: center;
}

.product-copy h3 {
  font-size: clamp(26px, 4vw, 42px);
}

.chip-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 24px 0 0;
}

.chip-list li {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  font-weight: 900;
}

.product-image {
  min-height: 440px;
  border-radius: 24px;
  overflow: hidden;
  background: #0f1722;
  box-shadow: var(--shadow);
}

.product-image img {
  width: 100%;
  height: 100%;
  min-height: 440px;
  object-fit: cover;
}

.product-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 14px 44px rgba(16, 24, 40, 0.08);
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--surface-strong);
}

.product-card h3,
.product-card p {
  padding-inline: 18px;
}

.product-card h3 {
  padding-top: 18px;
}

.product-card p {
  padding-bottom: 22px;
}

.quality-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 44px;
  align-items: end;
}

.quality-points {
  display: grid;
  gap: 1px;
  overflow: hidden;
  background: var(--line);
}

.quality-points div {
  padding: 24px;
  background: var(--surface);
}

.quality-points strong {
  display: block;
  color: var(--brand);
  font-size: 42px;
  line-height: 1;
}

.quality-points span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-weight: 800;
}

.cert-grid {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

.cert-grid figure {
  margin: 0;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 14px 34px rgba(16, 24, 40, 0.08);
}

.cert-grid img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: contain;
  background: #fff;
  border-radius: 10px;
}

.cert-grid figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

.vision {
  width: 100%;
  max-width: none;
  padding-inline: 18px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(9, 13, 20, 0.9), rgba(9, 13, 20, 0.76)),
    url("./assets/images/factory-film-line.jpg") center / cover;
}

.vision > * {
  width: min(100%, var(--max));
  margin-left: auto;
  margin-right: auto;
}

.vision-panel {
  padding: 36px;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 1fr);
  gap: 32px;
  color: var(--text);
}

.vision-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.vision-grid article {
  padding: 26px;
  color: var(--text);
}

.vision-grid span,
.news-card span {
  color: var(--brand);
  font-weight: 950;
  font-size: 13px;
  text-transform: uppercase;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.news-card {
  padding: 28px;
}

.faq {
  padding-top: 30px;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  padding: 10px;
}

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

.faq-list details:last-child {
  border-bottom: 0;
}

.faq-list summary {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 18px;
  cursor: pointer;
  font-size: 18px;
  font-weight: 900;
}

.faq-list summary::after {
  content: "+";
  width: 30px;
  min-width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-strong);
  color: var(--brand);
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  margin: 0;
  padding: 0 18px 22px;
}

.contact {
  padding-top: 40px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 30px;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 18px;
}

.contact-cards {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.contact-cards div {
  min-height: 116px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.contact-cards span {
  display: block;
  margin-bottom: 8px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 950;
}

.contact-cards a,
.contact-cards p {
  margin: 0;
  font-size: 18px;
  font-weight: 900;
}

.contact-form {
  padding: 28px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--muted);
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 15px;
  background: var(--surface-strong);
  color: var(--text);
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(49, 33, 139, 0.12);
}

.contact-form .primary-button {
  width: 100%;
  border: 0;
}

.quick-contact {
  position: fixed;
  right: 18px;
  bottom: 24px;
  z-index: 90;
  display: grid;
  gap: 8px;
}

.quick-contact a {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--text);
  color: var(--bg);
  box-shadow: var(--shadow);
  font-size: 13px;
  font-weight: 950;
}

.quick-contact a:nth-child(2) {
  background: var(--brand);
  color: #fff;
}

.notice-popup {
  position: fixed;
  left: 18px;
  bottom: 24px;
  z-index: 95;
  width: min(340px, calc(100vw - 36px));
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.notice-popup[hidden] {
  display: none;
}

.notice-popup button {
  position: absolute;
  top: 12px;
  right: 12px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.notice-popup strong {
  display: block;
  max-width: 250px;
  line-height: 1.25;
  font-size: 20px;
}

.notice-popup p {
  margin: 12px 0 16px;
  color: var(--muted);
}

.notice-popup div {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.notice-popup a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 13px;
  border-radius: 999px;
  background: var(--surface-strong);
  font-weight: 900;
}

.notice-popup a:first-child {
  background: var(--brand);
  color: #fff;
}

.notice-popup label {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.site-footer {
  padding: 46px 18px 54px;
  background: #090d14;
  color: rgba(255, 255, 255, 0.74);
  text-align: center;
}

.site-footer div {
  width: min(220px, 70vw);
  margin: 0 auto 22px;
}

.site-footer p,
.site-footer address {
  margin: 12px auto 0;
  max-width: 1040px;
  font-style: normal;
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

@media (max-width: 1040px) {
  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: inline-grid;
  }

  .hero-inner,
  .about-grid,
  .product-stage,
  .quality-layout,
  .contact-grid,
  .vision-panel {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 470px;
  }

  .business-grid,
  .news-grid,
  .vision-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 760px) {
  .header-inner {
    width: min(100% - 24px, var(--max));
    height: 68px;
  }

  .brand {
    width: 126px;
    min-width: 126px;
  }

  .section {
    width: min(100% - 28px, var(--max));
    padding: 74px 0;
  }

  .hero {
    min-height: auto;
    padding: 108px 0 72px;
  }

  .hero-bg::after {
    background:
      linear-gradient(90deg, rgba(6, 9, 14, 0.9), rgba(6, 9, 14, 0.66) 56%, rgba(6, 9, 14, 0.38)),
      linear-gradient(180deg, rgba(6, 9, 14, 0.64), rgba(6, 9, 14, 0.24) 42%, rgba(6, 9, 14, 0.44)),
      radial-gradient(circle at 76% 24%, rgba(145, 205, 0, 0.18), transparent 30%),
      radial-gradient(circle at 24% 90%, rgba(49, 33, 139, 0.42), transparent 36%);
  }

  .hero-bg iframe {
    top: 34%;
    left: 82%;
    opacity: 0.45;
  }

  .hero-inner {
    width: min(100% - 28px, var(--max));
    gap: 34px;
  }

  h1 {
    font-size: clamp(38px, 14vw, 56px);
  }

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

  .hero-visual {
    min-height: 360px;
  }

  .hero-main-img {
    height: 290px;
    border-radius: 20px;
  }

  .hero-floating-card {
    width: 102px;
    height: 102px;
    top: 14px;
    right: 10px;
  }

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

  .hero-mosaic {
    left: 8px;
    width: 78%;
  }

  .hero-mosaic img {
    height: 90px;
  }

  .quick-links {
    width: min(100% - 28px, var(--max));
    margin-top: -32px;
    grid-template-columns: 1fr;
  }

  .quick-card {
    min-height: 120px;
  }

  .overview-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .value-strip,
  .product-grid,
  .contact-cards {
    grid-template-columns: 1fr;
  }

  .business {
    padding-inline: 14px;
  }

  .business-card {
    min-height: auto;
  }

  .product-image,
  .product-image img {
    min-height: 300px;
  }

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

  .message-panel,
  .product-copy,
  .contact-form,
  .vision-panel,
  .news-card,
  .vision-grid article {
    padding: 24px;
  }

  .quick-contact {
    right: 12px;
    bottom: 14px;
  }

  .quick-contact a {
    width: 48px;
    height: 48px;
  }

  .notice-popup {
    left: 14px;
    bottom: 14px;
    max-width: calc(100vw - 84px);
  }
}

@media (max-width: 430px) {
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .notice-popup {
    position: static;
    width: calc(100% - 28px);
    margin: 16px auto;
  }
}

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

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