:root {
  --bg-base: #050505;
  --bg-elevated: rgba(5, 16, 28, 0.75);
  --bg-panel: rgba(6, 20, 34, 0.58);
  --line-soft: rgba(255, 255, 255, 0.2);
  --line-strong: rgba(255, 255, 255, 0.46);
  --text-strong: #ffffff;
  --text-body: #e7e7e7;
  --text-muted: #b7b7b7;
  --accent: #ffffff;
  --accent-alt: #d8d8d8;
  --cta: #ffffff;
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow-soft: 0 24px 80px rgba(0, 0, 0, 0.32);
  --shadow-glow: 0 0 40px rgba(255, 255, 255, 0.18);
  --z-overlay: 100;
  --z-header: 1200;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Noto Sans KR", "Noto Sans JP", sans-serif;
  color: var(--text-strong);
  background:
    radial-gradient(circle at 10% 14%, rgba(255, 255, 255, 0.08), transparent 34%),
    radial-gradient(circle at 90% 14%, rgba(255, 255, 255, 0.06), transparent 32%),
    linear-gradient(170deg, #020202 0%, var(--bg-base) 55%, #030303 100%);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

body::before {
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.18) 0.6px, transparent 0.7px);
  background-size: 3px 3px;
  opacity: 0.04;
}

body::after {
  background:
    radial-gradient(circle at 10% 55%, rgba(255, 255, 255, 0.05), transparent 45%),
    radial-gradient(circle at 90% 55%, rgba(255, 255, 255, 0.05), transparent 45%);
}

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

.glass-panel {
  border: 1px solid var(--line-soft);
  background: linear-gradient(150deg, rgba(20, 20, 20, 0.74), rgba(9, 9, 9, 0.58));
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
}

.intro-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  overflow: hidden;
  background: #050505;
  transition: opacity 0.95s ease, visibility 0.95s ease;
}

.intro-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #050505;
}

.intro-scrim {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 50%, rgba(255, 255, 255, 0.12), transparent 42%),
    radial-gradient(circle at 82% 50%, rgba(255, 255, 255, 0.12), transparent 42%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.06), rgba(0, 0, 0, 0.3));
}

.intro-skip {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  min-width: 44px;
  min-height: 44px;
  padding: 0.52rem 0.86rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #ffffff;
  background: rgba(18, 18, 18, 0.64);
  backdrop-filter: blur(4px);
  cursor: pointer;
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.intro-skip:hover,
.intro-skip:focus-visible {
  border-color: rgba(255, 255, 255, 0.95);
  transform: translateY(-1px);
}

.intro-overlay.is-fading {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.site {
  opacity: 1;
  transition: opacity 0.58s ease;
}

.site.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.site.is-visible {
  visibility: visible;
  animation: siteReveal 0.9s ease both;
}

.topbar {
  position: fixed !important;
  top: max(0.55rem, env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-header);
  width: min(1120px, calc(100% - 1.6rem));
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(14, 14, 14, 0.92), rgba(8, 8, 8, 0.78));
  backdrop-filter: blur(10px);
  box-shadow:
    0 14px 50px rgba(0, 0, 0, 0.38),
    inset 0 0 0 1px rgba(255, 255, 255, 0.09);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.58rem 0.78rem;
  transition: border-color 0.28s ease, background-color 0.28s ease, transform 0.28s ease;
}

.topbar::before,
.topbar::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 180px;
  height: 60px;
  border-radius: 999px;
  transform: translateY(-50%);
  filter: blur(14px);
  pointer-events: none;
  opacity: 0.28;
  animation: breatheGlow 5.8s ease-in-out infinite;
}

.topbar::before {
  left: 8%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.26) 0%, rgba(255, 255, 255, 0) 74%);
}

.topbar::after {
  right: 8%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0) 74%);
  animation-delay: 1.6s;
}

.topbar.is-scrolled {
  border-color: rgba(255, 255, 255, 0.52);
  background: linear-gradient(120deg, rgba(16, 16, 16, 0.96), rgba(8, 8, 8, 0.9));
  transform: translateX(-50%) translateY(-2px);
}

.brand {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  min-width: 156px;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(120deg, #ffffff, #d9d9d9);
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.62);
}

.brand-name {
  margin: 0;
  font-family: "Exo 2", sans-serif;
  letter-spacing: 0.08em;
  font-size: 0.86rem;
}

.brand-sub {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.72rem;
}

.brand-logo-image {
  display: block;
  width: clamp(104px, 10.6vw, 142px);
  max-height: 42px;
  object-fit: contain;
}

.brand-logo-fallback {
  display: none;
  font-family: "Exo 2", sans-serif;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #2f449a;
  line-height: 1;
}

.nav-links {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  flex: 1;
  padding: 0.28rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(10, 10, 10, 0.52);
  overflow: hidden;
}

.nav-links a {
  position: relative;
  z-index: 1;
  min-height: 54px;
  padding: 0.76rem 1.48rem;
  white-space: nowrap;
  border-radius: 999px;
  border: 1px solid transparent;
  color: #f0f0f0;
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition:
    border-color 0.22s ease,
    color 0.22s ease,
    transform 0.22s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.45);
  transform: translateY(-1px);
}

.nav-links a.is-active {
  color: #ffffff;
}

.nav-indicator {
  position: absolute;
  left: 0;
  top: 0;
  width: 108px;
  height: 52px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  background:
    radial-gradient(circle at 22% 50%, rgba(255, 255, 255, 0.22), transparent 58%),
    linear-gradient(120deg, rgba(90, 90, 90, 0.42), rgba(34, 34, 34, 0.64));
  box-shadow:
    0 0 24px rgba(255, 255, 255, 0.16),
    inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  pointer-events: none;
  transform: translateX(0);
  opacity: 0;
  transition:
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    width 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.28s ease;
  will-change: transform, width, opacity;
}

.topbar-actions {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
}

.lang-btn {
  min-width: 44px;
  min-height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  color: #ffffff;
  background: rgba(14, 14, 14, 0.72);
  font-family: "Exo 2", sans-serif;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.22s ease, border-color 0.22s ease, background-color 0.22s ease;
}

.lang-btn:hover,
.lang-btn:focus-visible {
  border-color: rgba(255, 255, 255, 0.88);
  transform: translateY(-1px);
}

.lang-btn.is-active {
  border-color: rgba(255, 255, 255, 0.98);
  background: linear-gradient(120deg, rgba(90, 90, 90, 0.48), rgba(32, 32, 32, 0.66));
}

.theme-btn {
  min-width: 44px;
  min-height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: rgba(14, 14, 14, 0.72);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.22s ease, border-color 0.22s ease, background-color 0.22s ease;
}

.theme-btn:hover,
.theme-btn:focus-visible {
  border-color: rgba(255, 255, 255, 0.88);
  transform: translateY(-1px);
}

.theme-btn::before {
  content: "";
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff8d1 0%, #ffd878 60%, #ffb02e 100%);
  box-shadow: 0 0 14px rgba(255, 200, 72, 0.46);
  transition: background 0.22s ease, box-shadow 0.22s ease;
}

html[data-theme="dark"] .theme-btn::before {
  background: radial-gradient(circle at 35% 35%, #edf3ff 0%, #bbcae8 62%, #8ea3cf 100%);
  box-shadow:
    inset -4px 0 0 rgba(12, 20, 34, 0.42),
    0 0 14px rgba(146, 172, 222, 0.4);
}

.account-entry {
  position: relative;
  z-index: 1;
  min-width: 48px;
  min-height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  color: #ffffff;
  background: rgba(14, 14, 14, 0.72);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.72rem;
  font-family: "Exo 2", sans-serif;
  letter-spacing: 0.06em;
  font-size: 0.78rem;
  transition: transform 0.22s ease, border-color 0.22s ease, background-color 0.22s ease;
}

.account-entry:hover,
.account-entry:focus-visible {
  border-color: rgba(255, 255, 255, 0.88);
  transform: translateY(-1px);
}

main {
  width: 100%;
  margin: 0;
}

.hero {
  position: relative;
  min-height: 100vh;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  overflow: hidden;
}

.hero-copy {
  position: absolute;
  z-index: 4;
  left: 50%;
  top: 52%;
  width: min(1080px, calc(100% - 2rem));
  transform: translate(-50%, -50%);
  text-align: center;
  color: #ffffff;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transition: opacity 0.35s ease, transform 0.35s ease;
  will-change: opacity, transform;
}

.hero-copy.is-swapping {
  opacity: 0.18;
  transform: translate(-50%, -52%);
}

.hero-copy-kicker {
  margin: 0;
  font-family: "Playfair Display", "Noto Sans KR", serif;
  font-size: clamp(1.7rem, 3vw, 3.1rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.hero-copy-title {
  margin: 0.7rem auto 0;
  max-width: 19ch;
  font-family: "Noto Sans KR", "Noto Sans JP", sans-serif;
  font-size: clamp(2.35rem, 6.4vw, 6rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.hero-copy-sub {
  margin: 1rem auto 0;
  max-width: 86ch;
  font-size: clamp(0.88rem, 1.5vw, 1.38rem);
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  opacity: 0.95;
}

.hero-copy-cta {
  margin-top: 1.3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  min-width: 188px;
  padding: 0.5rem 1.2rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: #ffffff;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: rgba(12, 12, 12, 0.5);
  backdrop-filter: blur(3px);
  transition: background-color 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}

.hero-copy-cta:hover,
.hero-copy-cta:focus-visible {
  border-color: rgba(255, 255, 255, 0.98);
  background: rgba(18, 18, 18, 0.72);
  transform: translateY(-1px);
}

.hero-copy-dots {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.58rem;
}

.hero-copy-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 0;
  padding: 0;
  background: rgba(255, 255, 255, 0.34);
  cursor: pointer;
  transition: transform 0.22s ease, background-color 0.22s ease;
}

.hero-copy-dot:hover,
.hero-copy-dot:focus-visible {
  background: rgba(255, 255, 255, 0.7);
  transform: scale(1.16);
}

.hero-copy-dot.is-active {
  background: #ffffff;
  transform: scale(1.28);
}

.hero-bottom-strips {
  position: absolute;
  z-index: 5;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  min-height: clamp(86px, 18vh, 170px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: linear-gradient(180deg, rgba(12, 18, 28, 0.18), rgba(8, 12, 22, 0.3));
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(10px) saturate(128%);
  -webkit-backdrop-filter: blur(10px) saturate(128%);
}

.hero-bottom-strip {
  position: relative;
  min-height: clamp(86px, 18vh, 170px);
  overflow: hidden;
  padding: 0.65rem 0.45rem;
}

.hero-bottom-strip-en {
  position: absolute;
  left: 50%;
  top: 15%;
  transform: translateX(-50%);
  width: calc(100% - 1rem);
  text-align: center;
  font-family: "Noto Sans KR", "Noto Sans JP", sans-serif;
  font-size: clamp(0.92rem, 1.7vw, 2rem);
  font-weight: 700;
  line-height: 1;
  color: rgba(255, 255, 255, 0.94);
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  letter-spacing: 0.01em;
}

.hero-bottom-strip-ko {
  position: absolute;
  left: 50%;
  top: 58%;
  transform: translate(-50%, -50%);
  width: calc(100% - 1rem);
  text-align: center;
  font-family: "Noto Sans KR", sans-serif;
  font-size: clamp(0.9rem, 1.25vw, 1.5rem);
  font-weight: 500;
  line-height: 1.3;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 5px 20px rgba(0, 0, 0, 0.32);
  letter-spacing: 0;
}

.hero-bottom-strip + .hero-bottom-strip {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-bottom-strip::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0));
  opacity: 0.72;
  pointer-events: none;
}

.hero-content {
  position: absolute;
  z-index: 3;
  left: clamp(1rem, 4vw, 3.2rem);
  bottom: clamp(1.2rem, 7vh, 3.2rem);
  width: min(760px, calc(100% - 2rem));
  border-radius: var(--radius-lg);
  padding: clamp(1.1rem, 2.6vw, 2rem);
}

.hero-badge {
  margin: 0;
  display: inline-flex;
  padding: 0.34rem 0.72rem;
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.hero-title {
  margin: 0.9rem 0 0;
  font-family: "Exo 2", sans-serif;
  font-size: clamp(2rem, 4.6vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

.hero-description {
  margin: 0.95rem 0 0;
  color: var(--text-body);
  max-width: 58ch;
}

.hero-actions {
  margin-top: 1.18rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.66rem 1.1rem;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.24s ease, box-shadow 0.24s ease, background-color 0.24s ease, border-color 0.24s ease;
}

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

.btn-primary {
  color: #111111;
  border-color: rgba(255, 255, 255, 0.95);
  background: linear-gradient(120deg, #ffffff, #dcdcdc);
  box-shadow: 0 12px 38px rgba(255, 255, 255, 0.16);
}

.btn-secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(18, 18, 18, 0.58);
}

.stat-grid {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.68rem;
}

.stat-chip {
  padding: 0.68rem;
  border-radius: 13px;
  background: rgba(15, 15, 15, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.stat-chip strong {
  display: block;
  font-family: "Exo 2", sans-serif;
  font-size: 1.14rem;
  color: #ffffff;
}

.stat-chip span {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-video,
.hero-fallback,
.hero-vignette,
.hero-grain,
.hero-side-glow {
  position: absolute;
  inset: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  transition: opacity 0.55s ease;
  transform: translateZ(0);
  will-change: opacity;
}

.hero-video.is-hidden {
  opacity: 0;
}

.hero-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.55s ease;
  background:
    radial-gradient(circle at 18% 45%, rgba(255, 255, 255, 0.2), transparent 46%),
    radial-gradient(circle at 82% 46%, rgba(255, 255, 255, 0.16), transparent 44%),
    linear-gradient(165deg, rgba(6, 16, 28, 0.9), rgba(4, 9, 15, 0.98));
}

.hero-fallback.is-active {
  opacity: 1;
}

.hero-fallback-label {
  margin: 0;
  padding: 0.6rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(20, 20, 20, 0.66);
  color: #ffffff;
  font-family: "Exo 2", sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.hero-side-glow {
  width: 34vw;
  max-width: 520px;
  min-width: 240px;
  top: -4vh;
  bottom: -4vh;
  filter: blur(26px);
  opacity: 0.22;
  animation: breatheLight 9.2s ease-in-out infinite;
}

.hero-side-glow-left {
  left: -9vw;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.26), rgba(255, 255, 255, 0));
}

.hero-side-glow-right {
  right: -9vw;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0));
  animation-delay: 1.4s;
}

.hero-vignette {
  background:
    linear-gradient(180deg, rgba(2, 2, 2, 0.11), rgba(2, 2, 2, 0.27)),
    radial-gradient(circle at 50% 46%, rgba(0, 0, 0, 0.03), rgba(0, 0, 0, 0.38) 74%);
  pointer-events: none;
}

.hero-grain {
  background-image: radial-gradient(circle, rgba(225, 242, 255, 0.26) 0.65px, transparent 0.75px);
  background-size: 3px 3px;
  mix-blend-mode: screen;
  opacity: 0.03;
  pointer-events: none;
  animation: grainShift 1.2s steps(2) infinite;
}

.section {
  width: min(1220px, calc(100% - 2rem));
  margin: 3.7rem auto 0;
  content-visibility: auto;
  contain-intrinsic-size: 620px;
}

#products {
  margin-top: 1.05rem;
}

.product-zone-head {
  margin-bottom: 0.48rem;
  text-align: center;
  display: flex;
  justify-content: center;
}

.product-zone-head h2 {
  margin: 0;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.72rem;
  padding: 0.36rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: linear-gradient(120deg, rgba(16, 16, 16, 0.86), rgba(8, 8, 8, 0.72));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    0 10px 26px rgba(0, 0, 0, 0.28);
  font-family: "Exo 2", "Noto Sans KR", "Noto Sans JP", sans-serif;
  font-size: clamp(1.08rem, 1.95vw, 1.42rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.96);
  text-transform: uppercase;
  text-shadow: 0 0 18px rgba(255, 255, 255, 0.18);
}

.product-zone-head h2::before,
.product-zone-head h2::after {
  content: "";
  display: block;
  width: clamp(40px, 8vw, 100px);
  height: 1px;
}

.product-zone-head h2::before {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.74));
}

.product-zone-head h2::after {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.74), transparent);
}

.product-zone-head-compact {
  margin-top: 0.5rem;
}

.section-head {
  text-align: center;
  margin-bottom: 1.6rem;
}

.section-kicker {
  margin: 0;
  font-family: "Exo 2", sans-serif;
  letter-spacing: 0.24em;
  font-size: 0.73rem;
  color: #cecece;
}

.section-head h2 {
  margin: 0.55rem 0 0;
  font-family: "Exo 2", sans-serif;
  font-size: clamp(1.45rem, 3.1vw, 2.2rem);
}

.section-head p {
  margin: 0.68rem auto 0;
  max-width: 66ch;
  color: var(--text-body);
}

.showcase-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: 0.72rem;
  align-items: start;
}

.showcase-video-panel,
.showcase-product-panel {
  border: 0;
  background: transparent;
  padding: 0;
}

.showcase-head {
  text-align: left;
  margin-bottom: 0.62rem;
}

.showcase-head h2 {
  margin: 0.32rem 0 0;
  font-family: "Exo 2", sans-serif;
  font-size: clamp(1.02rem, 1.9vw, 1.38rem);
}

.showcase-head p {
  margin: 0.25rem 0 0;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.showcase-video-wrap {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 0;
  background: transparent;
  height: 100%;
}

.showcase-video {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: cover;
  transform: translateZ(0);
}

.showcase-youtube-embed {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  border: 0;
  background: transparent;
}

.showcase-video-play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  min-width: 126px;
  min-height: 44px;
  padding: 0.48rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  background: rgba(12, 12, 12, 0.72);
  color: #ffffff;
  font-weight: 600;
  letter-spacing: 0.02em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s ease, transform 0.24s ease;
}

.showcase-video-play.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.showcase-video-play:hover,
.showcase-video-play:focus-visible {
  transform: translate(-50%, -50%) scale(1.03);
}

.product-strip-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.52rem;
}

.product-strip-card {
  --shine-delay: 0s;
  position: relative;
  display: block;
  aspect-ratio: 3 / 3.45;
  border-radius: 11px;
  border: 0;
  background: transparent;
  overflow: hidden;
  transform: translateZ(0);
  transition: transform 0.2s ease;
}

.product-strip-card::after {
  content: "";
  position: absolute;
  inset: -40% -80%;
  background: linear-gradient(
    108deg,
    transparent 42%,
    rgba(255, 255, 255, 0.22) 50%,
    transparent 58%
  );
  transform: translateX(-75%) rotate(8deg);
  animation: cardShineSweep 5.8s linear infinite;
  animation-delay: var(--shine-delay);
  pointer-events: none;
}

.product-strip-card:nth-child(1) {
  --shine-delay: 0s;
}

.product-strip-card:nth-child(2) {
  --shine-delay: 0.45s;
}

.product-strip-card:nth-child(3) {
  --shine-delay: 0.9s;
}

.product-strip-card:nth-child(4) {
  --shine-delay: 1.35s;
}

.product-strip-card:nth-child(5) {
  --shine-delay: 1.8s;
}

.product-strip-card:nth-child(6) {
  --shine-delay: 2.25s;
}

.product-strip-card:nth-child(7) {
  --shine-delay: 2.7s;
}

.product-strip-card:nth-child(8) {
  --shine-delay: 3.15s;
}

.product-strip-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.08rem;
  background: transparent;
  filter: drop-shadow(0 8px 22px rgba(0, 0, 0, 0.42));
  transition: transform 0.22s ease;
}

.product-strip-card:hover,
.product-strip-card:focus-visible {
  transform: translateY(-1px);
}

.product-strip-card:hover img,
.product-strip-card:focus-visible img,
.product-strip-card:active img {
  transform: scale(1.03);
}

.product-matrix-block {
  margin-top: 0.56rem;
  border-radius: 0;
  padding: 0;
}

.product-matrix-head {
  text-align: left;
  margin-bottom: 0.58rem;
}

.product-matrix-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 0.18rem;
}

.product-matrix-scroll::-webkit-scrollbar {
  height: 7px;
}

.product-matrix-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.34);
  border-radius: 999px;
}

.product-matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5rem;
}

.product-matrix-card {
  position: relative;
  border-radius: 12px;
  border: 1px solid rgba(22, 56, 112, 0.16);
  background: #ffffff;
  min-height: 0;
  padding: 0.48rem;
  display: flex;
  flex-direction: column;
  gap: 0.46rem;
  cursor: pointer;
  overflow: hidden;
  box-shadow: 0 8px 18px rgba(22, 56, 112, 0.1);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.product-matrix-card:hover,
.product-matrix-card:focus-visible {
  border-color: rgba(22, 56, 112, 0.32);
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(22, 56, 112, 0.18);
}

.product-matrix-media {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  border: 1px solid rgba(22, 56, 112, 0.14);
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(22, 56, 112, 0.04);
  overflow: hidden;
}

.product-matrix-media::before,
.product-matrix-media::after {
  display: none;
}

.product-matrix-card img {
  position: relative;
  z-index: 3;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6%;
  display: block;
  filter: none;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.product-matrix-card:hover img,
.product-matrix-card:focus-visible img,
.product-matrix-card:active img {
  transform: scale(1.03);
  filter: none;
}

.product-matrix-info {
  display: grid;
  gap: 0.22rem;
  padding: 0.02rem 0.08rem;
  justify-items: center;
}

.product-matrix-name {
  margin: 0;
  font-family: "Exo 2", sans-serif;
  font-size: 0.94rem;
  line-height: 1.26;
  color: #1a2f4d;
  text-align: center;
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-matrix-price {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
  color: #1f59be;
  letter-spacing: 0.02em;
}

.product-matrix-buy-btn {
  margin-top: auto;
  width: 100%;
  min-height: 42px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: linear-gradient(130deg, rgba(68, 68, 68, 0.62), rgba(24, 24, 24, 0.84));
  color: #ffffff;
  font-family: "Exo 2", sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.product-matrix-buy-btn:hover,
.product-matrix-buy-btn:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.95);
}

.product-intro-block {
  margin-top: 0.88rem;
  border-radius: 18px;
  padding: 0.82rem;
}

.product-intro-head {
  margin-bottom: 0.62rem;
}

.product-intro-head h2 {
  margin-top: 0;
}

.product-intro-head p {
  max-width: 76ch;
}

.product-marquee-wrap {
  border-radius: 14px;
  border: 0;
  background: transparent;
  overflow: hidden;
  position: relative;
}

.product-marquee-wrap::before,
.product-marquee-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  width: 70px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.product-marquee-wrap::before {
  left: 0;
  background: linear-gradient(90deg, rgba(8, 8, 8, 0.92), rgba(8, 8, 8, 0));
}

.product-marquee-wrap::after {
  right: 0;
  background: linear-gradient(270deg, rgba(8, 8, 8, 0.92), rgba(8, 8, 8, 0));
}

.product-marquee-track {
  width: max-content;
  display: flex;
  gap: 0;
  animation: productMarqueeScroll 34s linear infinite;
  animation-play-state: running;
  will-change: transform;
}

.product-marquee-wrap:hover .product-marquee-track {
  animation-play-state: running;
}

.product-marquee-group {
  display: flex;
  flex-shrink: 0;
  gap: 0.52rem;
  padding: 0.56rem;
}

.product-marquee-card {
  width: 178px;
  border-radius: 12px;
  border: 0;
  background: transparent;
  overflow: hidden;
}

.product-marquee-media {
  aspect-ratio: 4 / 3;
  border-bottom: 0;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-marquee-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.25rem;
}

.product-marquee-media-placeholder {
  background:
    radial-gradient(circle at 24% 26%, rgba(255, 255, 255, 0.1), transparent 54%),
    linear-gradient(160deg, rgba(20, 20, 20, 0.82), rgba(8, 8, 8, 0.72));
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.product-marquee-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.24);
}

.product-marquee-name {
  margin: 0;
  padding: 0.45rem 0.52rem 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.94);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.95rem;
}

.product-card {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  position: relative;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: linear-gradient(158deg, rgba(20, 20, 20, 0.76), rgba(9, 9, 9, 0.7));
  overflow: hidden;
  transform: perspective(880px) rotateX(var(--tilt-y)) rotateY(var(--tilt-x));
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.2s ease;
}

.product-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.28));
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.28s ease;
  pointer-events: none;
}

.product-card:hover,
.product-card:focus-within {
  border-color: rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow-glow);
}

.product-card:hover::before,
.product-card:focus-within::before {
  opacity: 1;
}

.product-media {
  height: 220px;
  background-image:
    linear-gradient(165deg, rgba(16, 16, 16, 0.42), rgba(8, 8, 8, 0.72)),
    var(--product-image);
  background-size: cover;
  background-position: center;
  position: relative;
}

.product-badge {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  display: inline-flex;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.56);
  padding: 0.25rem 0.6rem;
  color: #ffffff;
  font-size: 0.72rem;
  background: rgba(16, 16, 16, 0.66);
}

.product-body {
  padding: 0.95rem 0.9rem 1rem;
}

.product-body h3 {
  margin: 0;
  font-family: "Exo 2", sans-serif;
  font-size: 1.1rem;
  line-height: 1.3;
}

.product-body p {
  margin: 0.5rem 0 0;
  color: var(--text-body);
  min-height: 3.4em;
}

.product-specs {
  margin: 0.68rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
}

.product-specs li {
  border: 1px solid rgba(255, 255, 255, 0.34);
  color: #dfdfdf;
  border-radius: 9px;
  padding: 0.2rem 0.45rem;
  font-size: 0.75rem;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.88rem;
}

.tech-card {
  border-radius: var(--radius-md);
  padding: 1rem;
}

.tech-card h3 {
  margin: 0;
  font-family: "Exo 2", sans-serif;
}

.tech-card p {
  margin: 0.52rem 0 0;
  color: var(--text-body);
}

.contact-card {
  border-radius: 24px;
  padding: clamp(1rem, 2.3vw, 1.8rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.contact-card h2 {
  margin: 0.4rem 0 0;
  font-family: "Exo 2", sans-serif;
  font-size: clamp(1.3rem, 2.5vw, 2rem);
}

.contact-card p {
  margin: 0.5rem 0 0;
  color: var(--text-body);
  max-width: 56ch;
}

.section-bottom-images {
  margin-top: 2.2rem;
  margin-bottom: 1.2rem;
}

.bottom-image-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.5rem, 1.2vw, 0.9rem);
}

.bottom-image-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

.bottom-image-media {
  aspect-ratio: 16 / 10;
  background: #dfe6f2;
}

.bottom-image-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
}

.bottom-image-content {
  padding: 0.9rem 0.86rem 0.96rem;
}

.bottom-image-title {
  margin: 0;
  color: #2a2a2a;
  font-size: clamp(1rem, 1.12vw, 1.62rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: calc(1.3em * 2);
}

.bottom-image-desc {
  margin: 0.56rem 0 0;
  color: #8e8e95;
  font-size: clamp(0.85rem, 0.9vw, 1.14rem);
  line-height: 1.48;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: calc(1.48em * 3);
}

html[data-theme="light"] {
  --bg-base: #f2f6fc;
  --bg-elevated: rgba(255, 255, 255, 0.9);
  --bg-panel: rgba(255, 255, 255, 0.88);
  --line-soft: rgba(17, 43, 80, 0.14);
  --line-strong: rgba(17, 43, 80, 0.26);
  --text-strong: #13233b;
  --text-body: #2c425f;
  --text-muted: #5f7492;
  --accent: #1d57c2;
  --accent-alt: #3b78e8;
  --cta: #1c54b8;
  --shadow-soft: 0 14px 34px rgba(26, 56, 101, 0.12);
  --shadow-glow: 0 0 24px rgba(72, 122, 214, 0.24);
  color-scheme: light;
}

html[data-theme="light"] body {
  color: var(--text-strong);
  background:
    radial-gradient(circle at 8% 10%, rgba(111, 165, 255, 0.18), transparent 38%),
    radial-gradient(circle at 92% 8%, rgba(170, 212, 255, 0.22), transparent 34%),
    linear-gradient(170deg, #f8fbff 0%, #eff5fc 54%, #e8f0fa 100%);
}

html[data-theme="light"] body::before {
  background-image: radial-gradient(circle, rgba(56, 87, 132, 0.18) 0.6px, transparent 0.7px);
  opacity: 0.07;
}

html[data-theme="light"] body::after {
  background:
    radial-gradient(circle at 10% 58%, rgba(104, 151, 236, 0.16), transparent 44%),
    radial-gradient(circle at 90% 54%, rgba(149, 194, 255, 0.18), transparent 44%);
}

html[data-theme="light"] .glass-panel {
  border-color: rgba(20, 52, 96, 0.16);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.94), rgba(242, 248, 255, 0.88));
  box-shadow: 0 10px 24px rgba(31, 65, 114, 0.12);
}

html[data-theme="light"] .topbar {
  border-color: rgba(21, 55, 102, 0.22);
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.95), rgba(243, 248, 255, 0.9));
  box-shadow:
    0 12px 28px rgba(24, 54, 103, 0.14),
    inset 0 0 0 1px rgba(255, 255, 255, 0.74);
}

html[data-theme="light"] .topbar::before {
  background: radial-gradient(circle, rgba(86, 137, 224, 0.22) 0%, rgba(86, 137, 224, 0) 74%);
}

html[data-theme="light"] .topbar::after {
  background: radial-gradient(circle, rgba(145, 181, 236, 0.22) 0%, rgba(145, 181, 236, 0) 74%);
}

html[data-theme="light"] .topbar.is-scrolled {
  border-color: rgba(21, 55, 102, 0.32);
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.98), rgba(241, 247, 255, 0.94));
}

html[data-theme="light"] .brand-dot {
  background: linear-gradient(120deg, #3d72d6, #9dc1ff);
  box-shadow: 0 0 12px rgba(56, 110, 210, 0.38);
}

html[data-theme="light"] .nav-links {
  border-color: rgba(24, 58, 104, 0.2);
  background: rgba(255, 255, 255, 0.78);
}

html[data-theme="light"] .nav-links a {
  color: #1f3453;
}

html[data-theme="light"] .nav-links a:hover,
html[data-theme="light"] .nav-links a:focus-visible,
html[data-theme="light"] .nav-links a.is-active {
  color: #0f2240;
  border-color: rgba(25, 61, 110, 0.24);
}

html[data-theme="light"] .nav-indicator {
  border-color: rgba(22, 57, 106, 0.32);
  background:
    radial-gradient(circle at 22% 50%, rgba(114, 166, 248, 0.26), transparent 58%),
    linear-gradient(120deg, rgba(204, 223, 255, 0.92), rgba(170, 201, 248, 0.92));
  box-shadow:
    0 0 18px rgba(101, 146, 219, 0.24),
    inset 0 0 0 1px rgba(255, 255, 255, 0.54);
}

html[data-theme="light"] .lang-btn,
html[data-theme="light"] .theme-btn,
html[data-theme="light"] .account-entry {
  border-color: rgba(19, 51, 94, 0.26);
  color: #1a3354;
  background: rgba(255, 255, 255, 0.82);
}

html[data-theme="light"] .lang-btn:hover,
html[data-theme="light"] .lang-btn:focus-visible,
html[data-theme="light"] .theme-btn:hover,
html[data-theme="light"] .theme-btn:focus-visible,
html[data-theme="light"] .account-entry:hover,
html[data-theme="light"] .account-entry:focus-visible {
  border-color: rgba(19, 51, 94, 0.42);
}

html[data-theme="light"] .lang-btn.is-active {
  border-color: rgba(20, 56, 104, 0.48);
  background: linear-gradient(120deg, rgba(217, 231, 255, 0.96), rgba(182, 208, 248, 0.92));
}

html[data-theme="light"] .theme-btn::before {
  background: radial-gradient(circle at 35% 35%, #fff8d1 0%, #ffd878 60%, #ffb02e 100%);
  box-shadow: 0 0 14px rgba(255, 200, 72, 0.46);
}

html[data-theme="light"] .hero-copy-cta {
  border-color: rgba(255, 255, 255, 0.9);
  background: rgba(14, 34, 62, 0.48);
}

html[data-theme="light"] .section-kicker {
  color: #607595;
}

html[data-theme="light"] .section-head p {
  color: #314a69;
}

html[data-theme="light"] .product-zone-head h2 {
  border-color: rgba(18, 53, 99, 0.24);
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.95), rgba(239, 247, 255, 0.92));
  color: #12233c;
  text-shadow: none;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.8),
    0 8px 20px rgba(43, 76, 129, 0.14);
}

html[data-theme="light"] .product-zone-head h2::before {
  background: linear-gradient(90deg, transparent, rgba(18, 53, 99, 0.36));
}

html[data-theme="light"] .product-zone-head h2::after {
  background: linear-gradient(90deg, rgba(18, 53, 99, 0.36), transparent);
}

html[data-theme="light"] .showcase-video-play {
  border-color: rgba(20, 55, 100, 0.4);
  background: rgba(255, 255, 255, 0.9);
  color: #16325d;
}

html[data-theme="light"] .product-strip-card img {
  filter: drop-shadow(0 8px 16px rgba(30, 56, 96, 0.24));
}

html[data-theme="light"] .product-matrix-card {
  border-color: rgba(22, 56, 112, 0.16);
  background: #ffffff;
  box-shadow: 0 8px 18px rgba(22, 56, 112, 0.1);
}

html[data-theme="light"] .product-matrix-card:hover,
html[data-theme="light"] .product-matrix-card:focus-visible {
  border-color: rgba(22, 56, 112, 0.32);
  box-shadow: 0 12px 24px rgba(22, 56, 112, 0.18);
}

html[data-theme="light"] .product-matrix-media {
  border-color: rgba(22, 56, 112, 0.14);
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(22, 56, 112, 0.04);
}

html[data-theme="light"] .product-matrix-card img {
  filter: none;
}

html[data-theme="light"] .product-matrix-name {
  color: #1a2f4d;
}

html[data-theme="light"] .product-matrix-price {
  color: #1f59be;
}

html[data-theme="light"] .product-matrix-buy-btn {
  border-color: rgba(22, 61, 116, 0.44);
  background: linear-gradient(130deg, rgba(44, 102, 197, 0.96), rgba(34, 82, 165, 0.96));
  color: #ffffff;
}

html[data-theme="light"] .product-matrix-buy-btn:hover,
html[data-theme="light"] .product-matrix-buy-btn:focus-visible {
  border-color: rgba(15, 47, 95, 0.78);
}

html[data-theme="light"] .product-marquee-wrap::before {
  background: linear-gradient(90deg, rgba(239, 245, 254, 0.98), rgba(239, 245, 254, 0));
}

html[data-theme="light"] .product-marquee-wrap::after {
  background: linear-gradient(270deg, rgba(239, 245, 254, 0.98), rgba(239, 245, 254, 0));
}

html[data-theme="light"] .product-marquee-name {
  color: #253b5a;
}

html[data-theme="light"] .product-card {
  border-color: rgba(22, 60, 108, 0.2);
  background: linear-gradient(158deg, rgba(255, 255, 255, 0.95), rgba(243, 248, 255, 0.9));
}

html[data-theme="light"] .product-media {
  background-image:
    linear-gradient(165deg, rgba(250, 252, 255, 0.16), rgba(240, 248, 255, 0.22)),
    var(--product-image);
}

html[data-theme="light"] .product-badge {
  border-color: rgba(20, 56, 102, 0.3);
  color: #153158;
  background: rgba(255, 255, 255, 0.86);
}

html[data-theme="light"] .product-specs li {
  border-color: rgba(20, 56, 102, 0.3);
  color: #2f4766;
}

html[data-theme="light"] .btn-primary {
  color: #ffffff;
  border-color: rgba(29, 85, 183, 0.84);
  background: linear-gradient(120deg, #2c6ad4, #2155b2);
  box-shadow: 0 12px 28px rgba(44, 106, 212, 0.28);
}

html[data-theme="light"] .btn-secondary {
  color: #1a3458;
  border-color: rgba(20, 56, 102, 0.34);
  background: rgba(255, 255, 255, 0.78);
}

html[data-theme="light"] .bottom-image-card {
  border-color: rgba(20, 56, 102, 0.2);
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 10px 26px rgba(33, 67, 118, 0.16);
}

@keyframes breatheGlow {
  0%,
  100% {
    opacity: 0.34;
    transform: translateY(-50%) scale(0.95);
  }
  50% {
    opacity: 0.52;
    transform: translateY(-50%) scale(1.04);
  }
}

@keyframes breatheLight {
  0%,
  100% {
    opacity: 0.28;
    transform: scale(0.96);
  }
  50% {
    opacity: 0.44;
    transform: scale(1.04);
  }
}

@keyframes grainShift {
  0% {
    transform: translate(0, 0);
  }
  25% {
    transform: translate(-0.5%, 0.5%);
  }
  50% {
    transform: translate(0.3%, -0.4%);
  }
  75% {
    transform: translate(0.5%, 0.2%);
  }
  100% {
    transform: translate(0, 0);
  }
}

@keyframes cardShineSweep {
  0%,
  12% {
    transform: translateX(-82%) rotate(8deg);
  }
  34%,
  100% {
    transform: translateX(82%) rotate(8deg);
  }
}

@keyframes productMarqueeScroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes siteReveal {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 1080px) {
  .topbar {
    width: min(1000px, calc(100% - 1.2rem));
  }

  .topbar::before,
  .topbar::after {
    animation: none;
    opacity: 0.16;
    filter: blur(9px);
  }

  .hero-side-glow {
    animation: none;
    opacity: 0.12;
    filter: blur(16px);
  }

  .hero-grain {
    animation: none;
    opacity: 0.015;
    mix-blend-mode: normal;
  }

  .glass-panel {
    backdrop-filter: blur(8px);
  }

  .showcase-layout {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    gap: 0.58rem;
  }

  .product-strip-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .brand-sub {
    display: none;
  }

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

  .product-matrix-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.44rem;
  }

  .product-marquee-card {
    width: 162px;
  }

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

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

@media (max-width: 760px) {
  .topbar {
    top: max(0.36rem, env(safe-area-inset-top));
    border-radius: 18px;
    padding: 0.38rem 0.44rem;
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: 0.32rem;
  }

  .topbar::before,
  .topbar::after {
    width: 96px;
    height: 36px;
  }

  .brand {
    min-width: auto;
    flex-shrink: 0;
  }

  .brand-logo-image {
    width: clamp(92px, 20vw, 118px);
    max-height: 34px;
  }

  .brand-logo-fallback {
    font-size: clamp(0.98rem, 3vw, 1.18rem);
  }

  .nav-links {
    width: auto;
    flex: 1;
    min-width: 0;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 0.2rem;
    padding: 0.16rem;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(8, 8, 8, 0.44);
  }

  .nav-links a {
    min-height: 44px;
    padding: 0.42rem 0.84rem;
    font-size: 0.9rem;
  }

  .topbar-actions {
    flex-shrink: 0;
  }

  .theme-btn {
    min-width: 38px;
    min-height: 38px;
    font-size: 0.74rem;
  }

  .account-entry {
    display: none;
  }

  .section {
    width: min(1220px, calc(100% - 1rem));
    margin-top: 2.1rem;
    contain-intrinsic-size: 420px;
  }

  #products {
    margin-top: 0.86rem;
  }

  .nav-indicator {
    display: none;
  }

  .hero {
    min-height: 84vh;
  }

  .hero-copy {
    top: 53%;
    width: calc(100% - 1rem);
  }

  .hero-copy-kicker {
    font-size: clamp(1.08rem, 4.8vw, 1.48rem);
  }

  .hero-copy-title {
    font-size: clamp(1.45rem, 8.2vw, 2.25rem);
    max-width: 13ch;
  }

  .hero-copy-sub {
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    max-width: 94%;
  }

  .hero-copy-cta {
    min-width: 132px;
    min-height: 36px;
    font-size: 0.79rem;
    margin-top: 0.86rem;
  }

  .hero-copy-dots {
    margin-top: 0.56rem;
  }

  .hero-bottom-strips {
    min-height: clamp(74px, 14vh, 106px);
  }

  .hero-bottom-strip {
    min-height: clamp(74px, 14vh, 106px);
    padding: 0.4rem 0.3rem;
  }

  .hero-bottom-strip-en {
    top: 13%;
    font-size: clamp(0.74rem, 2vw, 1.02rem);
  }

  .hero-bottom-strip-ko {
    top: 58%;
    font-size: clamp(0.62rem, 1.45vw, 0.9rem);
    line-height: 1.26;
  }

  .showcase-layout {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
    gap: 0.44rem;
  }

  .showcase-video-panel,
  .showcase-product-panel {
    padding: 0;
    min-width: 0;
  }

  .showcase-video-wrap {
    height: auto !important;
    aspect-ratio: 16 / 9.8;
    max-height: 210px;
  }

  .showcase-youtube-embed {
    width: 100%;
    height: 100%;
  }

  .showcase-head {
    margin-bottom: 0.46rem;
  }

  .showcase-head h2 {
    font-size: clamp(0.9rem, 3.2vw, 1.04rem);
  }

  .showcase-head p {
    font-size: 0.76rem;
    margin-top: 0.18rem;
  }

  .product-strip-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.42rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .product-strip-card {
    aspect-ratio: 1 / 1.18;
  }

  .product-strip-card img {
    padding: 0.12rem;
  }

  .showcase-product-panel {
    max-height: 210px;
    overflow-y: auto;
    overscroll-behavior-y: contain;
    padding-right: 0.08rem;
  }

  .showcase-product-panel::-webkit-scrollbar {
    width: 5px;
  }

  .showcase-product-panel::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.28);
    border-radius: 999px;
  }

  .product-matrix-block {
    margin-top: 0.6rem;
    padding: 0;
  }

  .product-matrix-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.34rem;
  }

  .product-matrix-card {
    min-height: 0;
    padding: 0.38rem;
  }

  .product-matrix-name {
    font-size: 0.82rem;
  }

  .product-matrix-price {
    font-size: 0.8rem;
  }

  .product-matrix-buy-btn {
    min-height: 38px;
    font-size: 0.78rem;
  }

  .product-intro-block {
    margin-top: 0.6rem;
    padding: 0.56rem;
  }

  .product-marquee-group {
    gap: 0.4rem;
    padding: 0.45rem;
  }

  .product-marquee-card {
    width: 120px;
  }

  .product-marquee-name {
    font-size: 0.61rem;
    padding: 0.32rem 0.35rem 0.34rem;
  }

  .product-marquee-wrap::before,
  .product-marquee-wrap::after {
    width: 38px;
  }

  .hero-content {
    left: 0.8rem;
    bottom: 0.8rem;
    width: calc(100% - 1.6rem);
  }

  .hero-title {
    font-size: clamp(1.62rem, 7.6vw, 2.35rem);
  }

  .hero-description {
    font-size: 0.93rem;
  }

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

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

  .contact-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.82rem;
  }

  .section-bottom-images {
    margin-top: 1.2rem;
    margin-bottom: 0.7rem;
  }

  .bottom-image-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.44rem;
  }

  .bottom-image-card {
    border-radius: 10px;
  }

  .bottom-image-content {
    padding: 0.66rem 0.62rem 0.72rem;
  }

  .bottom-image-title {
    font-size: clamp(0.92rem, 2.9vw, 1.2rem);
  }

  .bottom-image-desc {
    margin-top: 0.42rem;
    -webkit-line-clamp: 2;
    min-height: calc(1.48em * 2);
  }
}

@media (max-width: 520px) {
  .topbar {
    width: calc(100% - 0.72rem);
    border-radius: 16px;
    padding: 0.34rem 0.36rem;
    gap: 0.24rem;
  }

  .nav-links a {
    min-height: 41px;
    padding: 0.36rem 0.68rem;
    font-size: 0.82rem;
  }

  .topbar-actions {
    flex-shrink: 0;
  }

  .theme-btn {
    min-width: 32px;
    min-height: 32px;
    font-size: 0.66rem;
  }

  .brand-logo-image {
    width: 88px;
    max-height: 30px;
  }

  .account-entry {
    min-width: 34px;
    min-height: 32px;
    padding: 0.22rem 0.38rem;
    font-size: 0.62rem;
  }

  .hero {
    min-height: 80vh;
  }

  .hero-copy {
    width: calc(100% - 0.72rem);
  }

  .hero-copy-kicker {
    font-size: clamp(0.96rem, 4.2vw, 1.24rem);
  }

  .hero-copy-title {
    font-size: clamp(1.28rem, 7.4vw, 1.9rem);
    max-width: 12.2ch;
  }

  .hero-copy-sub {
    font-size: 0.64rem;
    letter-spacing: 0.05em;
  }

  .hero-copy-cta {
    min-width: 118px;
    min-height: 34px;
    font-size: 0.74rem;
  }

  .hero-bottom-strips {
    min-height: clamp(62px, 11vh, 84px);
  }

  .hero-bottom-strip {
    min-height: clamp(62px, 11vh, 84px);
    padding: 0.45rem 0.22rem;
  }

  .hero-bottom-strip-en {
    top: 11%;
    font-size: clamp(0.62rem, 3vw, 0.78rem);
  }

  .hero-bottom-strip-ko {
    top: 58%;
    font-size: clamp(0.52rem, 2.2vw, 0.72rem);
    line-height: 1.22;
    width: calc(100% - 0.5rem);
  }

  .section {
    width: calc(100% - 0.72rem);
    margin-top: 1.7rem;
    contain-intrinsic-size: 360px;
  }

  #products {
    margin-top: 0.72rem;
  }

  .product-zone-head {
    margin-bottom: 0.3rem;
  }

  .product-zone-head h2 {
    font-size: clamp(0.9rem, 3.2vw, 1.02rem);
    letter-spacing: 0.06em;
    gap: 0.34rem;
    padding: 0.24rem 0.48rem;
  }

  .product-zone-head h2::before,
  .product-zone-head h2::after {
    width: clamp(18px, 5vw, 34px);
  }

  .product-zone-head-compact {
    margin-top: 0.34rem;
  }

  .showcase-layout {
    gap: 0.32rem;
  }

  .showcase-video-panel,
  .showcase-product-panel {
    padding: 0;
  }

  .showcase-video-wrap {
    aspect-ratio: 16 / 9.6;
    max-height: 170px;
  }

  .product-matrix-block {
    padding: 0;
  }

  .product-intro-block {
    padding: 0.4rem;
  }

  .showcase-head h2 {
    font-size: 0.82rem;
  }

  .showcase-head p {
    font-size: 0.69rem;
  }

  .product-strip-grid {
    gap: 0.3rem;
  }

  .product-strip-card {
    aspect-ratio: 1 / 1.22;
  }

  .product-strip-card img {
    padding: 0.14rem;
  }

  .showcase-product-panel {
    max-height: 170px;
    padding-right: 0.06rem;
  }

  .product-matrix-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.3rem;
  }

  .product-matrix-card {
    min-height: 0;
    padding: 0.32rem;
  }

  .product-matrix-name {
    font-size: 0.74rem;
  }

  .product-matrix-price {
    font-size: 0.72rem;
  }

  .product-matrix-buy-btn {
    min-height: 34px;
    font-size: 0.72rem;
  }

  .product-marquee-group {
    padding: 0.34rem;
    gap: 0.3rem;
  }

  .product-marquee-card {
    width: 108px;
  }

  .product-marquee-name {
    font-size: 0.56rem;
  }

  .product-marquee-wrap::before,
  .product-marquee-wrap::after {
    width: 24px;
  }

  .bottom-image-grid {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .bottom-image-card {
    border-radius: 8px;
  }

  .bottom-image-content {
    padding: 0.58rem 0.56rem 0.62rem;
  }

  .bottom-image-title {
    font-size: 0.92rem;
  }

  .bottom-image-desc {
    font-size: 0.8rem;
  }
}

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

  .intro-overlay {
    display: none;
  }

  .site.is-hidden {
    opacity: 1;
    visibility: visible;
  }

  .product-marquee-track {
    animation-name: productMarqueeScroll !important;
    animation-duration: 34s !important;
    animation-timing-function: linear !important;
    animation-iteration-count: infinite !important;
    animation-play-state: running !important;
  }
}