@font-face {
  font-family: Inter;
  src: url("../fonts/inter-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: Pretendard;
  src: url("../fonts/pretendard.woff2") format("woff2");
  font-style: normal;
  font-weight: 45 920;
  font-display: swap;
}

:root {
  --navy: #2a405b;
  --ink: #223750;
  --muted: #455d76;
  --line: #cddceb;
  --blue: #3e6698;
  --blue-hover: #305583;
  --blue-text: #345d8b;
  --mist: #edf4fa;
  --powder: #e5eff8;
  --control-line: #7792ad;
  --gutter: clamp(1.25rem, 5.3vw, 5rem);
  --header-height: 5rem;
  font-family: Inter, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--mist);
  font-synthesis: none;
}

:root[lang="ko"] {
  font-family: Pretendard, "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  word-break: keep-all;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 0.9rem);
}

body { margin: 0; line-height: 1.6; }
h1, h2, h3, p, dl, dd, figure { margin: 0; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }

:focus-visible {
  outline: 2px solid #346598;
  outline-offset: 5px;
}

.hero :focus-visible { outline-color: #b4d9ff; }

.shell {
  width: min(80rem, calc(100% - 2 * var(--gutter)));
  margin-inline: auto;
}

.icon { flex: none; }

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 30;
  transform: translateY(-150%);
  padding: 0.625rem 1rem;
  color: white;
  background: var(--blue);
  border-radius: 0.25rem;
}

.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  color: var(--ink);
  background: #eef5fb;
  border-bottom: 1px solid var(--line);
  transition: background-color 250ms ease, box-shadow 250ms ease;
}

body:has(.has-menu-toggle) { padding-top: calc(var(--header-height) + 1px); }
.site-header.has-menu-toggle { position: fixed; inset: 0 0 auto; }

.site-header.is-scrolled {
  background: #eef5fbf5;
  box-shadow: 0 9px 24px #2d486b15;
  backdrop-filter: blur(16px);
}

.header-inner, .header-menu, .header-actions, .site-nav, .brand, .languages {
  display: flex;
  align-items: center;
}

.header-inner {
  min-height: var(--header-height);
  justify-content: space-between;
  gap: clamp(1.2rem, 2.9vw, 3rem);
}

.brand {
  gap: 0.8rem;
  width: fit-content;
  max-width: 100%;
  font-size: 0.91rem;
  line-height: 1.22;
  font-weight: 690;
  letter-spacing: -0.022em;
  overflow-wrap: anywhere;
}

.header-brand { flex: 0 1 13rem; color: var(--ink); }
.header-brand .brand-name { max-width: 8.85rem; }

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.85rem;
  height: 2.85rem;
  flex: none;
}

.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-mark--round { overflow: hidden; border-radius: 50%; }

/* Crop to the circular badge within the supplied 453 × 412 JPEG. */
.brand-mark--round img {
  position: absolute;
  top: -10.1%;
  left: -14.5%;
  width: 126.5%;
  height: auto;
  max-width: none;
}

.header-menu { flex: 1; justify-content: space-between; gap: 1.75rem; }
.site-nav { gap: clamp(1.1rem, 2.12vw, 2.5rem); margin-inline: auto; }
.header-actions { gap: clamp(1rem, 1.95vw, 1.95rem); }

.site-nav a {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 2.9rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
  font-weight: 585;
  white-space: nowrap;
  transition: color 180ms ease;
}

.site-nav a::after {
  position: absolute;
  inset: auto 0 0.22rem;
  height: 1px;
  background: #507aa8;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms ease;
  content: "";
}

.site-nav a:hover, .site-nav [aria-current] { color: #254d79; }
.site-nav a:hover::after, .site-nav [aria-current]::after { transform: scaleX(1); }

.languages {
  flex: none;
  gap: 0.47rem;
  color: var(--muted);
  white-space: nowrap;
  font-size: 0.77rem;
  font-weight: 575;
}

.languages .icon { width: 1rem; height: 1rem; margin-right: 0.12rem; color: #57738f; }
.languages a { display: inline-flex; min-height: 2.75rem; align-items: center; }
.languages a:hover { color: #254d79; text-decoration: underline; text-underline-offset: 0.23em; }
.languages [aria-current] { color: var(--ink); font-weight: 750; }
.languages span[aria-hidden] { color: #64809e; }

.button {
  display: inline-flex;
  width: fit-content;
  min-height: 3.35rem;
  align-items: center;
  justify-content: center;
  gap: 0.83rem;
  padding: 0.72rem 1.23rem;
  border: 1px solid transparent;
  border-radius: 0.35rem;
  font-size: 0.91rem;
  line-height: 1.25;
  font-weight: 680;
  text-align: center;
  transition: background-color 200ms ease, border-color 200ms ease, color 200ms ease, box-shadow 200ms ease;
}

.button .icon { width: 1.1rem; height: 1.1rem; transition: transform 210ms ease; }
.button:hover .icon { transform: translate(2px, -2px); }
.button-primary { color: #fff; background: var(--blue); }
.button-primary:hover { background: var(--blue-hover); box-shadow: 0 6px 20px #2c52782f; }
.header-quote { min-height: 2.75rem; padding: 0.55rem 0.87rem; font-size: 0.82rem; white-space: nowrap; }

.menu-toggle {
  display: none;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  color: #34597f;
  background: #e1edf8;
  border: 1px solid var(--control-line);
  border-radius: 0.35rem;
}

.menu-toggle span { display: grid; place-items: center; }
.menu-toggle .menu-close, .menu-is-open .menu-open { display: none; }
.menu-is-open .menu-close { display: grid; }

.hero {
  position: relative;
  isolation: isolate;
  overflow: clip;
  color: #f7faff;
  background: var(--navy);
}

.hero-media, .hero-frame, .hero-shade, .hero-glint {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-media { overflow: hidden; }

.hero-frame {
  display: block;
  visibility: hidden;
  opacity: 0;
  transition: opacity 1250ms ease, visibility 1250ms;
}

.hero-frame.is-current { visibility: visible; opacity: 1; }

.hero-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 64% 53%;
  transform-origin: 78% 55%;
  filter: saturate(0.84);
}

.has-rotated .hero-frame.is-current img { animation: settle-chip 2800ms cubic-bezier(.17,.65,.26,1) both; }

.has-rotated .hero-frame.is-current::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(116deg, transparent 54%, #86bfff2b 67%, transparent 78%);
  animation: chip-reflection 1700ms ease-out both;
  content: "";
}

@keyframes settle-chip {
  from { transform: scale(1.042); }
  to { transform: scale(1); }
}

@keyframes chip-reflection {
  0% { opacity: 0; transform: translateX(-10%); }
  36% { opacity: 0.65; }
  100% { opacity: 0; transform: translateX(19%); }
}

.hero-shade {
  background:
    linear-gradient(0deg, #7396b51c, #7396b51c),
    linear-gradient(0deg, #2a4368b8, #21375418 26%, transparent 60%),
    linear-gradient(90deg, #2b435ffd 0%, #2b435ff7 23%, #2b435fde 38%, #2b435f49 59%, transparent 80%);
}

.hero-glint {
  background:
    repeating-linear-gradient(90deg, #9cbdf22a 0 1px, transparent 1px 3.75rem),
    repeating-linear-gradient(0deg, #9cbdf22a 0 1px, transparent 1px 3.75rem);
  mask-image: radial-gradient(ellipse at 3% 100%, #000 0%, transparent 58%);
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, #88acd06b, #bad5ede6, #85a5c74a);
  content: "";
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  align-items: center;
  min-height: clamp(37rem, 73svh, 49rem);
  padding-block: clamp(4.3rem, 7vw, 7.15rem);
}

.hero-copy {
  align-self: center;
  width: min(55%, 44rem);
  padding-bottom: 0.5rem;
  animation: hero-enter 670ms cubic-bezier(.21,.68,.28,1) both;
}

.hero-audience {
  display: flex;
  align-items: center;
  gap: 0.78rem;
  margin-bottom: 1.32rem;
  color: #d3e7fb;
  font-size: 0.78rem;
  font-weight: 655;
  line-height: 1.4;
  letter-spacing: 0.115em;
  text-transform: uppercase;
}

.hero-audience::before {
  width: 1.65rem;
  height: 1px;
  background: #b1d3f4;
  box-shadow: 0 0 14px #98c0e692;
  content: "";
}

.hero-copy h1 {
  font-size: clamp(3.05rem, 5.12vw, 5.15rem);
  font-weight: 730;
  line-height: 1.02;
  letter-spacing: -0.06em;
  text-wrap: balance;
}

:lang(ko) .hero-copy h1 {
  font-size: clamp(3.02rem, 4.9vw, 5.03rem);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.05em;
}

.hero-accent {
  display: block;
  margin-top: 0.045em;
  color: #c9e1fa;
  text-shadow: 0 3px 18px #06101b7a;
}

.hero-description {
  max-width: 32rem;
  margin-top: clamp(1.15rem, 2vw, 1.8rem);
  color: #e5effa;
  font-size: clamp(1rem, 1.29vw, 1.16rem);
  line-height: 1.72;
  overflow-wrap: anywhere;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-top: 1.7rem; }
.hero .button-primary { color: #243e5c; background: #d8e9f9; box-shadow: 0 7px 22px #132b493f; }
.hero .button-primary:hover { background: #edf6ff; }
.button-outline { color: #eff6ff; border-color: #aac0d8; background: #24405c82; }
.button-outline:hover { border-color: #d7e9fb; background: #385675; }
.button-outline:hover .icon { transform: translateY(3px); }

@keyframes hero-enter {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.workload-index {
  position: relative;
  color: #21354e;
  background: var(--powder);
  border-bottom: 1px solid var(--line);
}

.workload-links { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }

.workload-links a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 5.15rem;
  padding: 0.8rem clamp(0.85rem, 2.2vw, 1.8rem);
  border-left: 1px solid var(--line);
  line-height: 1.25;
  font-size: clamp(0.83rem, 1.2vw, 1rem);
  font-weight: 710;
  transition: color 200ms ease, background-color 200ms ease;
}

.workload-links a:last-child { border-right: 1px solid var(--line); }
.workload-links a:hover { color: #244d79; background: #d7e7f6; }
.workload-links a:last-child { background: #dceaf7; }
.workload-links a:last-child:hover { background: #cfe2f4; }
.workload-links a > .icon { width: 1.35rem; height: 1.35rem; color: #426c98; }
.workload-links a > .icon:last-child { width: 1rem; height: 1rem; margin-left: auto; color: #57738f; transition: transform 200ms ease; }
.workload-links a:hover > .icon:last-child { transform: translate(2px, -2px); }

.section { padding-block: clamp(4.4rem, 8vw, 7.65rem); }

.section-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--blue-text);
  font-size: 0.82rem;
  font-weight: 720;
  line-height: 1.4;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.section-label::before { width: 1.4rem; height: 1px; background: currentColor; content: ""; }

.section-title {
  color: var(--ink);
  font-size: clamp(2.65rem, 4.9vw, 4.8rem);
  font-weight: 710;
  line-height: 1.04;
  letter-spacing: -0.052em;
}

:lang(ko) .section-title { font-weight: 750; line-height: 1.1; letter-spacing: -0.055em; }
.section-label + .section-title { margin-top: 1.02rem; }

.section-intro {
  max-width: 36rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.29vw, 1.13rem);
  line-height: 1.68;
}

.section-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: end;
  gap: clamp(1.2rem, 5vw, 5rem);
  margin-bottom: clamp(1.8rem, 4vw, 3.5rem);
}

.section-heading-row > .section-intro { padding-bottom: 0.1rem; }
.about { background: #fbfdff; border-bottom: 1px solid var(--line); }

.about-inner, .supply-inner, .contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 5.25rem);
}

.about-inner { align-items: end; padding-block: clamp(3.45rem, 6.25vw, 6rem); }
.about-name, :lang(ko) .about-name {
  font-size: clamp(2.15rem, 3.9vw, 3.75rem);
  font-weight: 650;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.about-description {
  max-width: 31rem;
  color: var(--muted);
  font-size: clamp(1.03rem, 1.52vw, 1.25rem);
  line-height: 1.64;
  padding-bottom: 0.2rem;
}

.infrastructure {
  background: radial-gradient(ellipse at 88% 8%, #e0edf9, transparent 58%), var(--mist);
  border-bottom: 1px solid var(--line);
}

.infrastructure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2.5vw, 2rem);
}

.infrastructure-card {
  min-width: 0;
  overflow: clip;
  background: #fbfdff;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  box-shadow: 0 8px 25px #365e8420;
}

.infrastructure-visual {
  position: relative;
  isolation: isolate;
  overflow: clip;
  aspect-ratio: 2 / 1;
  background: #d8e5f2;
  border-bottom: 1px solid var(--line);
}

.infrastructure-visual img { width: 100%; height: 100%; object-fit: cover; }
.infrastructure-content { padding: clamp(1.2rem, 2.7vw, 2.2rem); }
.infrastructure-content h3 {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.041em;
}

.infrastructure-content h3 .icon { width: 1.4rem; height: 1.4rem; color: var(--blue-text); }
.infrastructure-content > p { margin-top: 0.7rem; }
.infrastructure-content p, .infrastructure-content li { color: var(--muted); font-size: 0.96rem; }

.infrastructure-content ul {
  display: grid;
  gap: 0.65rem;
  margin: 1rem 0 0;
  padding: 0.9rem 0 0 1.12rem;
  border-top: 1px solid var(--line);
}

.infrastructure-content li::marker { color: #5380a9; }
.infrastructure-content li strong { display: block; color: var(--ink); font-weight: 660; }

.supply {
  position: relative;
  isolation: isolate;
  overflow: clip;
  background: var(--mist);
}

.supply::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image: radial-gradient(circle, #6d8aaf63 0.7px, transparent 0.9px);
  background-size: 16px 16px;
  mask-image: linear-gradient(135deg, #000, transparent 56%);
  content: "";
}

.supply-inner { align-items: center; grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr); }
.supply-heading .section-title { max-width: 11ch; }
:lang(ko) .supply-heading .section-title { max-width: 13ch; }
.supply-heading .section-intro { max-width: 25rem; margin-top: 1.15rem; }
.supply-options { padding: 0; margin: 0; list-style: none; border-top: 1px solid #aebbce; }

.supply-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: clamp(0.8rem, 2vw, 1.65rem);
  min-height: 6.6rem;
  padding: 1.15rem clamp(0.38rem, 1vw, 0.85rem);
  border-bottom: 1px solid #aebbce;
}

.supply-icon {
  display: grid;
  place-items: center;
  width: clamp(2.6rem, 4.5vw, 3.7rem);
  aspect-ratio: 1;
  color: #395f89;
  background: #dfeaf5;
  border: 1px solid #bccfe1;
  border-radius: 0.42rem;
}

.supply-icon .icon { width: clamp(1.3rem, 2vw, 1.7rem); height: auto; }
.supply-option h3 { font-size: clamp(1.1rem, 1.7vw, 1.43rem); font-weight: 680; line-height: 1.2; letter-spacing: -0.031em; }
.supply-option p { margin-top: 0.38rem; color: var(--muted); font-size: 0.99rem; line-height: 1.56; }

.applications {
  position: relative;
  isolation: isolate;
  background: radial-gradient(ellipse at 86% 2%, #d6e7f7 0%, transparent 62%), var(--powder);
  border-block: 1px solid var(--line);
}

.workload-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background: #eff6fc;
  border: 1px solid var(--line);
  border-radius: 0.45rem 0.45rem 0 0;
}

.workload-tab {
  position: relative;
  display: flex;
  min-height: 4.05rem;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.6rem 0.8rem;
  color: #43607d;
  background: transparent;
  border: 0;
  text-align: center;
  font-size: clamp(0.88rem, 1.2vw, 1rem);
  font-weight: 655;
  line-height: 1.24;
  transition: color 220ms ease, background-color 220ms ease;
}

.workload-tab + .workload-tab { border-left: 1px solid var(--line); }
.workload-tab:first-child { border-radius: 0.4rem 0 0 0; }
.workload-tab:last-child { border-radius: 0 0.4rem 0 0; }
.workload-tab .icon { width: 1.25rem; height: 1.25rem; }

.workload-tab::after {
  position: absolute;
  inset: auto 0 0;
  height: 2px;
  background: #567ba2;
  transform: scaleX(0);
  transition: transform 260ms ease;
  content: "";
}

.workload-tab:hover { color: #274b71; background: #e1edf8; }
.workload-tab[aria-selected="true"] { color: #233f5f; background: #d8e8f7; }
.workload-tab[aria-selected="true"]::after { transform: scaleX(1); }
.workload-tab:focus-visible { z-index: 1; outline-offset: -5px; }

.workload-panels {
  display: grid;
  gap: 1.2rem;
}

.application-card {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(0, 0.84fr);
  min-width: 0;
  color: var(--ink);
  background: #f9fcff;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
}

.workload-tabs:not([hidden]) + .workload-panels .application-card {
  border-top: 0;
  border-radius: 0 0 0.45rem 0.45rem;
  animation: section-enter 360ms ease-out both;
}

.application-visual {
  position: relative;
  isolation: isolate;
  min-height: 21rem;
  overflow: clip;
  border-radius: 0 0 0 0.4rem;
  background: #091524;
}

.application-visual img, .application-visual::after { position: absolute; inset: 0; width: 100%; height: 100%; }
.application-visual img { object-fit: cover; transition: transform 750ms cubic-bezier(.22,.62,.28,1); }
.application-visual:hover img { transform: scale(1.04); }

.application-visual::after {
  background: linear-gradient(90deg, transparent 75%, #07122150);
  content: "";
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  [data-spotlight]::before {
    position: absolute;
    z-index: 1;
    inset: 0;
    background: radial-gradient(18rem circle at var(--light-x, 60%) var(--light-y, 30%), #8bc6ff53, transparent 83%);
    opacity: 0;
    transition: opacity 300ms ease;
    content: "";
    pointer-events: none;
  }
  [data-spotlight]:hover::before { opacity: 1; }
}

.application-content { padding: clamp(1.35rem, 3.1vw, 3rem); }
.application-content h3, .frame-calculator h3 {
  font-size: clamp(1.45rem, 2.3vw, 2.18rem);
  font-weight: 720;
  line-height: 1.15;
  letter-spacing: -0.044em;
}

.application-content > p, .workload-points li {
  color: var(--muted);
  font-size: clamp(0.9rem, 1.2vw, 1rem);
  line-height: 1.6;
}

.application-content > p { margin-top: 0.7rem; }
.workload-points { margin-top: 1.15rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.workload-points > p { color: var(--blue-text); font-size: 0.76rem; font-weight: 730; letter-spacing: 0.07em; text-transform: uppercase; }
.workload-points ul { display: grid; gap: 0.55rem; margin: 0.62rem 0 0; padding: 0 0 0 1.14rem; }
.workload-points li::marker { color: #5780a9; }
.workload-points strong { display: block; color: var(--ink); font-weight: 660; }

.text-link {
  display: inline-flex;
  min-height: 2.75rem;
  max-width: fit-content;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.75rem;
  color: var(--blue-text);
  font-size: 0.9rem;
  font-weight: 680;
}

.text-link:hover { text-decoration: underline; text-underline-offset: 0.24em; }
.text-link .icon { width: 1rem; height: 1rem; transition: transform 200ms ease; }
.text-link:hover .icon { transform: translate(2px, -2px); }

.rendering {
  overflow: clip;
  background: radial-gradient(ellipse at 90% 0%, #e5eff8, transparent 56%), #fafcff;
}

.rendering .section-title { max-width: 15ch; }
:lang(ko) .rendering .section-title { max-width: 17ch; }

.render-workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16.5rem, 0.34fr);
  gap: clamp(0.85rem, 1.75vw, 1.6rem);
  align-items: start;
}

.render-figure { min-width: 0; }
.render-figure figcaption { margin-top: 0.65rem; color: #526881; font-size: 0.77rem; }

.render-compare {
  --reveal: 60%;
  position: relative;
  isolation: isolate;
  width: 100%;
  overflow: clip;
  aspect-ratio: 16 / 9;
  background: #0c1728;
  border: 1px solid #9eb4ca;
  border-radius: 0.48rem;
  box-shadow: 0 14px 36px #274c751c;
}

.compare-media, .compare-ui, .compare-ui input, .compare-media img { position: absolute; inset: 0; width: 100%; height: 100%; }
.compare-media img { object-fit: cover; object-position: center; }
.has-compare .compare-shaded { clip-path: inset(0 calc(100% - var(--reveal)) 0 0); }
.render-compare:focus-within { outline: 2px solid #346598; outline-offset: 4px; }

.compare-ui input {
  z-index: 2;
  appearance: none;
  margin: 0;
  border: 0;
  background: transparent;
  opacity: 0;
  cursor: ew-resize;
  touch-action: pan-y;
}

.compare-ui input::-webkit-slider-thumb { appearance: none; width: 2px; height: 2.75rem; background: white; }
.compare-ui input::-moz-range-thumb { width: 2px; height: 2.75rem; border: 0; background: white; }
.compare-ui input::-moz-range-track { background: transparent; }

.compare-label {
  position: absolute;
  top: 0.75rem;
  padding: 0.23rem 0.55rem;
  color: #f0f7ff;
  background: #294360ed;
  border: 1px solid #abc3e467;
  border-radius: 0.2rem;
  font-size: clamp(0.7rem, 1vw, 0.81rem);
  font-weight: 640;
  pointer-events: none;
}

.compare-label-shaded { left: 0.75rem; }
.compare-label-wireframe { right: 0.75rem; }

.compare-divider {
  position: absolute;
  inset: 0 auto 0 var(--reveal);
  width: 2px;
  background: #e8f5ff;
  box-shadow: 0 0 20px 2px #9accff85;
  transform: translateX(-50%);
  pointer-events: none;
}

.compare-handle {
  position: absolute;
  top: 50%;
  left: clamp(1.35rem, var(--reveal), calc(100% - 1.35rem));
  display: grid;
  width: 2.65rem;
  height: 2.65rem;
  place-items: center;
  color: #102442;
  background: #f1f8ff;
  border: 1px solid white;
  border-radius: 50%;
  box-shadow: 0 2px 12px #0008;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.compare-handle .icon { width: 1.13rem; height: 1.13rem; }
.render-compare:focus-within .compare-handle { background: #d8ebfc; }

.frame-calculator {
  min-width: 0;
  align-self: stretch;
  margin-bottom: 1.9rem;
  padding: clamp(1rem, 2.3vw, 1.9rem);
  color: var(--ink);
  background: linear-gradient(145deg, #e3effa, #f3f8fd 76%);
  border: 1px solid var(--line);
  border-radius: 0.48rem;
}

.frame-calculator h3 { font-size: clamp(1.12rem, 1.65vw, 1.43rem); letter-spacing: -0.035em; }
.frame-calculator fieldset { min-width: 0; margin: 1.1rem 0 0; padding: 0; border: 0; }
.frame-calculator legend { margin-bottom: 0.48rem; padding: 0; color: var(--muted); font-size: 0.79rem; font-weight: 625; }
.frame-rates { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.28rem; }
.frame-rates label { position: relative; display: block; cursor: pointer; }
.frame-rates input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.frame-rates span {
  display: grid;
  min-height: 2.75rem;
  place-items: center;
  padding: 0.2rem 0.13rem;
  color: var(--ink);
  background: #f9fcff;
  border: 1px solid var(--control-line);
  border-radius: 0.26rem;
  font-size: clamp(0.69rem, 1.03vw, 0.81rem);
  font-weight: 655;
  line-height: 1.25;
  text-align: center;
  white-space: nowrap;
  transition: color 200ms ease, background-color 200ms ease;
}

.frame-rates label:hover span { background: #e5f0fb; }
.frame-rates input:checked + span { color: #23466b; background: #d6e8f9; border-color: #6e90b3; }
.frame-rates input:focus-visible + span { outline: 2px solid #346598; outline-offset: 2px; }

.frame-output {
  display: grid;
  gap: 0.25rem;
  align-items: baseline;
  margin-top: 1.35rem;
  color: var(--muted);
  font-size: 0.79rem;
}

.frame-output [data-frame-time] {
  color: #2e537c;
  font-size: clamp(2.75rem, 4.8vw, 4.4rem);
  font-variant-numeric: tabular-nums;
  font-weight: 690;
  line-height: 1;
  letter-spacing: -0.056em;
}

.frame-meter { height: 3px; margin-top: 1rem; background: #cadbea; border-radius: 1rem; overflow: hidden; }
.frame-meter span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #577faa, #759fc5);
  transform: scaleX(var(--frame-share, 0.5));
  transform-origin: left;
  transition: transform 350ms cubic-bezier(.22,.61,.36,1);
}

.frame-calculator > p { margin-top: 1rem; color: var(--muted); font-size: 0.86rem; line-height: 1.55; }

.contact {
  position: relative;
  isolation: isolate;
  overflow: clip;
  background: var(--powder);
}

.contact::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    repeating-linear-gradient(123deg, #8eadca36 0 1px, transparent 1px 38px),
    radial-gradient(ellipse at 90% 20%, #d4e4f4 1%, transparent 57%);
  mask-image: linear-gradient(265deg, #000 0%, transparent 63%);
  content: "";
}

.contact-inner { align-items: center; grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr); }
.contact-company { margin-top: 0.68rem; color: var(--muted); font-weight: 570; }
.contact-details { max-width: 32rem; margin-top: 1.8rem; }

.contact-row {
  display: grid;
  grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr);
  align-items: baseline;
  gap: 0.55rem 1.2rem;
  padding-block: 0.72rem;
  border-bottom: 1px solid #9bb2cd86;
}

.contact-row:first-child { border-top: 1px solid #9bb2cd86; }
.contact-row dt { color: #445a75; font-size: 0.88rem; font-weight: 620; }
.contact-row dd { font-size: 0.98rem; font-weight: 590; overflow-wrap: anywhere; }
.contact-row a { display: inline-block; color: var(--blue-text); text-decoration: underline; text-decoration-color: #6a88b2; text-underline-offset: 0.23em; }
.contact-row a:hover { color: #25476a; text-decoration-color: currentColor; }

.contact-form {
  min-width: 0;
  padding: clamp(1rem, 3vw, 2.5rem);
  color: var(--ink);
  background: linear-gradient(133deg, #f8fbfe, #eff6fd 72%);
  border: 1px solid #b6cde2;
  border-radius: 0.5rem;
  box-shadow: 0 16px 36px #25486f19;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.contact-form:focus-within { border-color: #759dc4; box-shadow: 0 16px 36px #365d8227; }

.contact-form label {
  display: block;
  width: fit-content;
  margin-bottom: 0.67rem;
  color: var(--ink);
  font-size: 1.07rem;
  line-height: 1.3;
  font-weight: 650;
}

.contact-form textarea {
  display: block;
  width: 100%;
  min-height: 11rem;
  padding: 0.8rem 0.9rem;
  color: var(--ink);
  background: #fbfdff;
  border: 1px solid var(--control-line);
  border-radius: 0.28rem;
  resize: vertical;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.contact-form textarea:focus {
  outline: 2px solid #346598;
  outline-offset: 2px;
}

.contact-form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.67rem 1rem; margin-top: 0.9rem; }
.contact-form-actions .button { min-height: 2.95rem; padding-inline: 0.95rem; }
.contact-form-actions .button:hover .icon { transform: none; }
.contact-form-actions p { color: var(--muted); font-size: 0.79rem; }

.site-footer { color: var(--ink); background: #dce9f5; border-top: 1px solid #c4d6e8; }

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem 1.5rem;
  min-height: 5rem;
  padding-block: 0.75rem;
}

.footer-brand { gap: 0.65rem; font-size: 0.79rem; font-weight: 625; }
.footer-brand .brand-mark { width: 2.1rem; height: 2.1rem; }

.top-link {
  display: inline-flex;
  align-items: center;
  gap: 0.52rem;
  min-height: 2.75rem;
  color: var(--blue-text);
  font-size: 0.83rem;
  font-weight: 655;
}

.top-link:hover { text-decoration: underline; text-underline-offset: 0.24em; }
.top-link .icon { width: 1rem; height: 1rem; }

.is-revealed { animation: section-enter 540ms cubic-bezier(.23,.65,.3,1) both; }

@keyframes section-enter {
  from { opacity: 0.48; translate: 0 14px; }
  to { opacity: 1; translate: 0 0; }
}

@media (max-width: 67.5rem) {
  :root { --header-height: 4.35rem; }
  .header-inner { flex-wrap: wrap; gap: 0; }
  .header-brand { min-height: var(--header-height); flex-basis: auto; }
  .header-brand .brand-name { max-width: 13rem; }
  .brand-mark { width: 2.6rem; height: 2.6rem; }
  .header-menu {
    flex: 1 0 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.72rem;
    padding-block: 0.38rem 1.03rem;
    max-height: calc(100dvh - var(--header-height));
    overflow-y: auto;
  }
  .has-menu-toggle .menu-toggle { display: grid; }
  .has-menu-toggle .header-menu {
    position: absolute;
    inset: 100% 0 auto;
    padding-inline: var(--gutter);
    background: #eef5fb;
    border-bottom: 1px solid #bbd0e3;
    box-shadow: 0 0.85rem 1.7rem #2c476730;
  }
  .has-menu-toggle:not(.menu-is-open) .header-menu { display: none; }
  .site-nav { flex-direction: column; align-items: stretch; gap: 0; margin: 0; }
  .site-nav a { min-height: 2.75rem; padding: 0.72rem 0.2rem; border-bottom: 1px solid var(--line); font-size: 0.96rem; }
  .site-nav a::after { display: none; }
  .site-nav [aria-current] { color: #254d79; }
  .header-actions { justify-content: space-between; gap: 0.55rem; }
  .languages { font-size: 0.86rem; }
  .header-menu :focus-visible { outline-offset: -2px; }
}

@media (max-width: 54rem) {
  .hero-copy { width: min(63%, 39rem); }
  .hero-copy h1, :lang(ko) .hero-copy h1 { font-size: clamp(2.95rem, 5.75vw, 3.55rem); }
  .section-title { font-size: clamp(2.5rem, 5.5vw, 3.55rem); }
  .section-heading-row { grid-template-columns: minmax(0, 1fr); }
  .section-heading-row { gap: 0.9rem; }
  .render-workbench { grid-template-columns: minmax(0, 1fr); }
  .frame-calculator { margin-bottom: 0; }
  .frame-rates { max-width: 22rem; }
}

@media (max-width: 48rem) {
  .hero-inner {
    min-height: 0;
    padding-block: clamp(2.55rem, 6.75vw, 4rem) clamp(13rem, 56vw, 22rem);
  }
  .hero-copy { align-self: start; width: min(100%, 40rem); padding-bottom: 0; }
  .hero-audience { margin-bottom: 0.95rem; font-size: 0.72rem; }
  .hero-copy h1, :lang(ko) .hero-copy h1 { max-width: 36rem; font-size: clamp(2.47rem, 7.65vw, 4.15rem); }
  .hero-copy h1 { text-wrap: unset; }
  .hero-description { margin-top: 1.02rem; line-height: 1.61; }
  .hero-actions { margin-top: 1.2rem; }
  .hero .button { min-height: 3.02rem; padding-inline: 0.9rem; }
  .hero-media {
    inset: auto 0 0;
    height: clamp(15.5rem, 66vw, 28rem);
    mask-image: linear-gradient(0deg, #000 77%, transparent);
  }
  .hero-frame img { object-position: 53% 49%; }
  .hero-shade { background: linear-gradient(0deg, #29425bcc, #2a415d20 24%, transparent 44%); }
  .hero-glint { mask-image: radial-gradient(ellipse at 0% 22%, #000 1%, transparent 55%); }
  .about-inner, .contact-inner { gap: 1.45rem; }
  .supply-inner { grid-template-columns: minmax(0, 1fr); align-items: start; gap: 1.7rem; }
  .supply-heading .section-title, :lang(ko) .supply-heading .section-title { max-width: 24ch; }
  .application-card { grid-template-columns: minmax(0, 1fr); }
  .application-visual { min-height: 0; aspect-ratio: 16 / 9; border-radius: 0; }
  .application-visual::after { background: linear-gradient(0deg, #07122142, transparent 65%); }
}

@media (max-width: 46rem) {
  .infrastructure-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 38rem) {
  .header-brand .brand-name { max-width: 9.5rem; }
  .workload-links { width: 100%; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workload-links a { flex-direction: column; justify-content: center; gap: 0.38rem; min-height: 4.4rem; padding: 0.65rem 0.35rem; font-size: 0.76rem; text-align: center; }
  .workload-links a:nth-child(odd) { border-left: 0; }
  .workload-links a:nth-child(n+3) { border-top: 1px solid var(--line); }
  .workload-links a > .icon { width: 1.16rem; height: 1.16rem; }
  .workload-links a > .icon:last-child { display: none; }
  .section { padding-block: 3.9rem; }
  .about-inner, .contact-inner { grid-template-columns: minmax(0, 1fr); }
  .about-inner { gap: 1.13rem; padding-block: 3.25rem; }
  .about-description { padding: 0; }
  .supply-option { min-height: 6.3rem; }
  .supply-option p { font-size: 0.91rem; }
  .workload-tab { min-height: 3.8rem; flex-direction: column; gap: 0.39rem; padding-inline: 0.3rem; font-size: 0.77rem; }
  .workload-tab .icon { width: 1.02rem; height: 1.02rem; }
  .application-content { padding: 1.25rem; }
  .compare-label { top: 0.55rem; padding: 0.15rem 0.4rem; }
  .compare-label-shaded { left: 0.55rem; }
  .compare-label-wireframe { right: 0.55rem; }
  .contact-row { gap: 0.4rem 0.65rem; }
}

@media (max-width: 24rem) {
  .hero-copy h1, :lang(ko) .hero-copy h1 { font-size: clamp(2rem, 9.1vw, 2.18rem); }
  .hero .button { padding-inline: 0.74rem; gap: 0.46rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .application-visual:hover img { transform: none; }
}