:root {
  --bg: #ffffff;
  --bg-mute: #f5f5f7;
  --ink: #1d1d1f;
  --mute: #6e6e73;
  --line: rgba(0, 0, 0, 0.08);
  --teal: #0b6e6a;
  --nav-h: 3.25rem;
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --font: "Pretendard Variable", Pretendard, "Apple SD Gothic Neo", sans-serif;
  --display: "Outfit", "Pretendard Variable", sans-serif;
  --pad: clamp(1.15rem, 4.5vw, 5rem);
  --max: 72rem;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --ext-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath stroke='%23000' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' d='M6.5 3.5H3.5A1 1 0 0 0 2.5 4.5v8a1 1 0 0 0 1 1h8a1 1 0 0 0 1-1v-3M9.5 2.5h4v4M13.5 2.5 7 9'/%3E%3C/svg%3E");
  --ext-icon-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath stroke='%23fff' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' d='M6.5 3.5H3.5A1 1 0 0 0 2.5 4.5v8a1 1 0 0 0 1 1h8a1 1 0 0 0 1-1v-3M9.5 2.5h4v4M13.5 2.5 7 9'/%3E%3C/svg%3E");
}

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

html { scroll-behavior: smooth; }

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

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.is-menu-open {
  overflow: hidden;
}

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

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--ink); color: #fff; padding: 0.5rem 0.85rem;
}
.skip:focus { top: 1rem; }

/* External link icon (CSS — survives i18n textContent) */
a[target="_blank"] {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
}

a[target="_blank"]::after {
  content: "";
  display: inline-block;
  width: 0.78em;
  height: 0.78em;
  flex: 0 0 auto;
  background-color: currentColor;
  -webkit-mask: var(--ext-icon) center / contain no-repeat;
  mask: var(--ext-icon) center / contain no-repeat;
  opacity: 0.72;
}

.nav.is-over-dark a[target="_blank"]::after,
.link--light[target="_blank"]::after,
.export a[target="_blank"]::after {
  opacity: 0.85;
}

/* ——— Nav ——— */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 60;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0 max(var(--pad), env(safe-area-inset-right)) 0 max(var(--pad), env(safe-area-inset-left));
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
}

.nav.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(255, 255, 255, 0.9);
}

.nav.is-over-dark {
  background: rgba(0, 0, 0, 0.32);
  color: #fff;
  border-bottom-color: transparent;
}

.nav.is-over-dark .lang button {
  background: transparent;
  color: rgba(255, 255, 255, 0.65);
}

.nav.is-over-dark .lang button[aria-pressed="true"] {
  color: #fff;
}

.nav.is-over-dark .nav__menu span:not(.sr-only) {
  background: #fff;
}

.nav__brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-decoration: none;
  flex: 0 0 auto;
}

.nav__links {
  display: none;
  gap: 1.5rem;
  font-size: 0.78rem;
  font-weight: 500;
}

.nav__links a {
  text-decoration: none;
  opacity: 0.78;
  transition: opacity 0.2s;
}

.nav__links a:hover { opacity: 1; }

.nav__end {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 0 0 auto;
  margin-left: auto;
}

.nav__ext {
  display: none;
  font-size: 0.78rem;
  font-weight: 500;
  text-decoration: none;
  opacity: 0.78;
  white-space: nowrap;
}

.nav__ext:hover { opacity: 1; }

.lang {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.lang span { opacity: 0.35; }

.lang button {
  appearance: none;
  border: 0;
  background: transparent;
  font: inherit;
  padding: 0.25rem 0;
  cursor: pointer;
  color: var(--mute);
  min-height: 44px;
}

.lang button[aria-pressed="true"] {
  color: inherit;
}

.nav__menu {
  width: 2.5rem;
  height: 2.5rem;
  margin-right: -0.4rem;
  border: 0;
  background: transparent;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}

.nav__menu span:not(.sr-only) {
  display: block;
  height: 1.5px;
  width: 1.15rem;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

.nav__menu[aria-expanded="true"] span:nth-of-type(1) {
  transform: translateY(3.25px) rotate(45deg);
}

.nav__menu[aria-expanded="true"] span:nth-of-type(2) {
  transform: translateY(-3.25px) rotate(-45deg);
}

.drawer {
  position: fixed;
  inset: var(--nav-h) 0 0;
  z-index: 55;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0.5rem max(var(--pad), env(safe-area-inset-right)) calc(1.5rem + var(--safe-b)) max(var(--pad), env(safe-area-inset-left));
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  max-height: calc(100svh - var(--nav-h));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.drawer[hidden] { display: none !important; }

.drawer a {
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 560;
  padding: 0.95rem 0;
  font-family: var(--display);
  letter-spacing: -0.02em;
  border-bottom: 1px solid var(--line);
  min-height: 3rem;
}

.drawer a[target="_blank"] {
  color: var(--mute);
  font-size: 1.05rem;
}

.drawer__rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0.65rem 0;
}

@media (min-width: 900px) {
  .nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
  }
  .nav__links { display: flex; }
  .nav__end { margin-left: 0; justify-self: end; gap: 1.1rem; }
  .nav__ext { display: inline-flex; }
  .nav__menu { display: none; }
  body { font-size: 17px; }
}

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  color: #fff;
  overflow: hidden;
}

.hero__visual,
.hero__visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__visual img {
  object-fit: cover;
  object-position: center 38%;
  transform: scale(1.04);
  will-change: transform;
}

.hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.28) 0%, rgba(0,0,0,0.08) 32%, rgba(0,0,0,0.62) 100%);
}

.hero__copy {
  position: relative;
  z-index: 1;
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: calc(var(--nav-h) + 1.5rem) var(--pad) calc(2.75rem + var(--safe-b));
  animation: rise 1.15s var(--ease) both;
}

.hero__brand {
  margin: 0 0 0.85rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.75rem, 12vw, 8.5rem);
  line-height: 0.9;
  letter-spacing: -0.045em;
  word-break: keep-all;
}

.hero__copy h1 {
  margin: 0;
  max-width: 16ch;
  font-family: var(--font);
  font-weight: 500;
  font-size: clamp(1.2rem, 4.2vw, 1.85rem);
  line-height: 1.3;
  letter-spacing: -0.025em;
  word-break: keep-all;
}

.hero__sub {
  margin: 0.75rem 0 1.5rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

.link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.45);
  padding-bottom: 0.15rem;
  transition: border-color 0.2s, gap 0.25s var(--ease);
}

.link:not([target="_blank"])::after {
  content: "→";
  width: auto;
  height: auto;
  background: none;
  -webkit-mask: none;
  mask: none;
  opacity: 1;
  transition: transform 0.25s var(--ease);
}

.link:not([target="_blank"]):hover::after {
  transform: translateX(2px);
}

.link[target="_blank"]::after {
  width: 0.85em;
  height: 0.85em;
  opacity: 0.9;
}

.link:hover {
  border-bottom-color: currentColor;
  gap: 0.65rem;
}

.link--light { color: #fff; }

@keyframes rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

/* ——— Intro ——— */
.intro {
  padding: clamp(3.25rem, 9vw, 7.5rem) var(--pad) clamp(1.5rem, 4vw, 3rem);
  max-width: calc(var(--max) + 2 * var(--pad));
  margin: 0 auto;
}

.kicker {
  margin: 0 0 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

.intro h2 {
  margin: 0;
  max-width: 12ch;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  word-break: keep-all;
}

/* ——— Panels ——— */
.panel {
  display: grid;
  gap: 0;
  background: var(--bg);
}

.panel--invert { background: var(--bg-mute); }

.panel__text {
  padding: clamp(2rem, 5vw, 4.5rem) var(--pad) 1.25rem;
  max-width: calc(var(--max) + 2 * var(--pad));
  margin: 0 auto;
  width: 100%;
}

.panel__text h3 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.65rem, 5vw, 2.75rem);
  letter-spacing: -0.03em;
}

.panel__text p {
  margin: 0;
  max-width: 36ch;
  color: var(--mute);
  font-size: 1rem;
  word-break: keep-all;
}

.panel__shot {
  margin: 0;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #e8e8ed;
}

.panel__shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}

@media (hover: hover) {
  .panel:hover .panel__shot img {
    transform: scale(1.03);
  }
}

.panel__shot--product {
  aspect-ratio: 5 / 4;
  background:
    radial-gradient(ellipse at 50% 45%, #ffffff 0%, #ececf0 75%);
  display: grid;
  place-items: center;
  padding: clamp(1.5rem, 5vw, 4rem);
}

.panel__shot--product img {
  width: min(58%, 280px);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 18px 32px rgba(0, 0, 0, 0.1));
}

@media (min-width: 960px) {
  .panel {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: stretch;
    min-height: 70vh;
  }

  .panel--invert {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .panel--invert .panel__text { order: 2; }
  .panel--invert .panel__shot { order: 1; }

  .panel__text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--pad);
    max-width: none;
    margin: 0;
  }

  .panel__text p { font-size: 1.05rem; }

  .panel__shot {
    aspect-ratio: auto;
    height: 100%;
    min-height: 70vh;
  }

  .panel__shot--product img {
    width: min(48%, 360px);
  }
}

/* ——— Flagship iGLUE ——— */
.flag {
  display: grid;
  gap: 1.75rem;
  padding: clamp(3.25rem, 9vw, 8rem) var(--pad);
  background: var(--bg);
  max-width: calc(var(--max) + 2 * var(--pad));
  margin: 0 auto;
  align-items: center;
}

.flag__copy h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.5rem, 10vw, 5.5rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.flag__lead {
  margin: 0.9rem 0 0.5rem;
  font-size: clamp(1.1rem, 3.5vw, 1.55rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  max-width: 18ch;
  word-break: keep-all;
}

.flag__copy > p:last-of-type {
  margin: 0 0 1.35rem;
  color: var(--mute);
  max-width: 38ch;
  word-break: keep-all;
}

.flag .link {
  color: var(--teal);
  border-bottom-color: rgba(11, 110, 106, 0.35);
}

.flag .link:hover { border-bottom-color: var(--teal); }

.flag__product {
  margin: 0;
  display: grid;
  place-items: center;
  min-height: 260px;
  padding: 1.5rem 1rem;
  background:
    radial-gradient(circle at 50% 50%, #fafafa 0%, #f0f0f3 70%);
  border-radius: 0;
}

.flag__product img {
  width: min(72%, 300px);
  filter: drop-shadow(0 22px 40px rgba(0, 0, 0, 0.12));
}

@media (min-width: 900px) {
  .flag {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  .flag__product {
    min-height: 320px;
    padding: 2rem;
  }
  .flag__product img {
    width: min(78%, 420px);
  }
}

/* ——— Export ——— */
.export {
  position: relative;
  min-height: min(72svh, 640px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
  overflow: hidden;
}

.export__shot {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  pointer-events: none;
}

.export__shot img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  object-fit: cover;
  object-position: center;
}

.export__shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.68) 100%);
}

.export__copy {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 40rem;
  box-sizing: border-box;
  margin: 0;
  padding-top: clamp(2.5rem, 7vw, 5rem);
  padding-bottom: calc(clamp(2.5rem, 7vw, 5rem) + var(--safe-b));
  padding-left: max(var(--pad), env(safe-area-inset-left, 0px));
  padding-right: max(var(--pad), env(safe-area-inset-right, 0px));
}

.export__copy .kicker { color: rgba(255, 255, 255, 0.65); }

.export__copy h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2rem, 9vw, 4.2rem);
  letter-spacing: -0.03em;
  overflow-wrap: anywhere;
  word-break: keep-all;
}

.export__lead {
  margin: 0.8rem 0 0.45rem;
  font-size: clamp(1.1rem, 3.5vw, 1.25rem);
  font-weight: 500;
  word-break: keep-all;
}

.export__copy > p:last-of-type {
  margin: 0 0 1.25rem;
  color: rgba(255, 255, 255, 0.72);
  max-width: 36ch;
  word-break: keep-all;
}

@media (min-width: 900px) {
  .export { min-height: min(85vh, 760px); }
}

/* ——— Footer ——— */
.foot {
  padding: 1.75rem var(--pad) calc(2rem + var(--safe-b));
  border-top: 1px solid var(--line);
  color: var(--mute);
  font-size: 0.75rem;
  line-height: 1.55;
  background: var(--bg-mute);
}

.foot__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem 1rem;
  margin-bottom: 1.1rem;
}

.foot__brand {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ink);
  font-size: 0.7rem;
}

.foot__top p { margin: 0; }

.foot__meta {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.foot__meta > div {
  display: grid;
  grid-template-columns: 5.25rem minmax(0, 1fr);
  gap: 0.35rem 0.65rem;
  align-items: start;
}

.foot__meta dt {
  margin: 0;
  color: var(--mute);
  font-weight: 500;
  opacity: 0.75;
}

.foot__meta dd {
  margin: 0;
  color: var(--ink);
  font-weight: 450;
  letter-spacing: -0.01em;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.foot__meta a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.foot__meta a:hover { border-bottom-color: var(--ink); }

@media (min-width: 820px) {
  .foot { font-size: 0.78rem; }
  .foot__meta {
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem 2rem;
  }
}

/* ——— Motion ——— */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}