:root {
  --ink: #171511;
  --muted: #6e665d;
  --paper: #f7f3ea;
  --soft: #ebe1d4;
  --line: rgba(23, 21, 17, 0.16);
  --accent: #d7472f;
  --deep: #10272c;
  --green: #4b6f52;
  --white: #fffaf2;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    "Pretendard",
    "Noto Sans KR",
    "Apple SD Gothic Neo",
    Arial,
    sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 clamp(20px, 5vw, 72px);
  color: var(--white);
  transition:
    background 240ms ease,
    color 240ms ease,
    box-shadow 240ms ease;
}

.site-header.is-scrolled {
  background: rgba(247, 243, 234, 0.92);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(23, 21, 17, 0.1);
  backdrop-filter: blur(18px);
}

.brand-mark {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-size: 15px;
  letter-spacing: 0;
  font-weight: 800;
}

.brand-mark strong {
  font-weight: 500;
  margin-left: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  font-size: 14px;
  font-weight: 700;
}

.header-right {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.6vw, 30px);
}

.nav-links a {
  position: relative;
  padding: 8px 0;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 30px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  transition:
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.lang-switch:hover {
  background: currentColor;
  color: var(--deep);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  min-height: 92svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(21, 18, 12, 0.58), rgba(21, 18, 12, 0.1) 58%, rgba(21, 18, 12, 0.28)),
    url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=2200&q=82")
      center right / cover;
  transform: scale(1.04);
  animation: heroDrift 18s ease-in-out infinite alternate;
}

.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.64), rgba(0, 0, 0, 0.1) 64%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.32), rgba(0, 0, 0, 0.06) 45%, rgba(0, 0, 0, 0.58));
}

.hero-copy {
  width: min(650px, calc(100% - 40px));
  margin-left: clamp(20px, 7vw, 92px);
  padding-top: 52px;
  color: var(--white);
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: inherit;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow.dark,
.section-kicker {
  color: var(--accent);
}

.hero-logo {
  display: grid;
  gap: 14px;
  margin: 0;
  line-height: 0.92;
}

.hero-logo span {
  display: inline-block;
  width: fit-content;
  padding: 0.04em 0.1em 0.12em;
  color: #fff7e9;
  font-family:
    "Arial Black",
    "Pretendard",
    "Noto Sans KR",
    sans-serif;
  font-size: clamp(66px, 12.5vw, 156px);
  font-weight: 900;
  letter-spacing: 0;
  text-shadow: 0 14px 34px rgba(0, 0, 0, 0.34);
}

.hero-logo small {
  display: inline-flex;
  width: fit-content;
  padding: 8px 12px;
  border-top: 2px solid rgba(255, 250, 242, 0.9);
  border-bottom: 2px solid rgba(255, 250, 242, 0.9);
  color: #fff7e9;
  font-size: clamp(14px, 1.8vw, 21px);
  font-weight: 950;
  letter-spacing: 0.12em;
}

html[lang="en"] .hero-logo span {
  font-size: clamp(54px, 9.2vw, 128px);
}

html[lang="en"] .hero-logo small {
  letter-spacing: 0.04em;
}

.hero-lead {
  max-width: 560px;
  margin: 26px 0 0;
  font-size: clamp(19px, 2.5vw, 28px);
  font-weight: 700;
  line-height: 1.36;
}

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

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid rgba(255, 250, 242, 0.78);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
  transition:
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.primary-action {
  background: var(--white);
  color: var(--ink);
}

.secondary-action {
  color: var(--white);
}

.primary-action:hover,
.secondary-action:hover,
.text-link:hover {
  transform: translateY(-2px);
}

.secondary-action:hover {
  background: rgba(255, 250, 242, 0.14);
}

.scroll-cue {
  position: absolute;
  right: clamp(20px, 5vw, 72px);
  bottom: 24px;
  color: rgba(255, 250, 242, 0.84);
  font-size: 12px;
  font-weight: 900;
  writing-mode: vertical-rl;
}

.section-pad {
  padding: clamp(76px, 10vw, 132px) clamp(20px, 6vw, 84px);
}

.storyline {
  border-bottom: 1px solid var(--line);
}

.storyline-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: clamp(34px, 7vw, 96px);
  align-items: end;
}

.storyline h2,
.split-feature h2,
.commerce h2,
.process h2,
.contact h2 {
  margin: 0;
  font-size: clamp(34px, 5.2vw, 72px);
  line-height: 1.04;
  letter-spacing: 0;
}

.storyline p,
.feature-copy p,
.commerce-copy p,
.market-panel p,
.contact p {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.65vw, 20px);
}

.split-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  min-height: 760px;
}

.feature-image {
  min-height: 560px;
  background-position: center;
  background-size: cover;
}

.stationery-image {
  background-image:
    linear-gradient(180deg, rgba(247, 243, 234, 0), rgba(247, 243, 234, 0.12)),
    url("https://images.unsplash.com/photo-1455390582262-044cdead277a?auto=format&fit=crop&w=1600&q=82");
}

.feature-copy {
  align-self: center;
  padding: clamp(42px, 7vw, 96px);
}

.plain-list {
  display: grid;
  gap: 14px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  font-weight: 800;
}

.plain-list li {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.market {
  min-height: 760px;
  display: grid;
  align-items: end;
  padding: clamp(32px, 6vw, 84px);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(16, 39, 44, 0.92), rgba(16, 39, 44, 0.28) 58%, rgba(16, 39, 44, 0.12)),
    url("https://images.unsplash.com/photo-1607082350899-7e105aa886ae?auto=format&fit=crop&w=2200&q=82")
      center right / cover;
}

.market-panel {
  max-width: 680px;
  padding-bottom: clamp(28px, 5vw, 62px);
}

.market-panel p {
  color: rgba(255, 250, 242, 0.78);
}

.channel-note,
.text-link {
  display: inline-flex;
  margin-top: 32px;
  padding-bottom: 6px;
  border-bottom: 2px solid currentColor;
  font-weight: 900;
  transition: transform 180ms ease;
}

.channel-note {
  color: #f6bc5b;
}

.commerce {
  display: grid;
  grid-template-columns: minmax(280px, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(36px, 7vw, 110px);
  align-items: start;
  background: var(--white);
}

.commerce-copy {
  position: sticky;
  top: 112px;
}

.product-strip {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.product-strip article {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  column-gap: 24px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.product-strip span {
  color: var(--accent);
  font-weight: 900;
}

.product-strip h3 {
  margin: 0;
  font-size: clamp(23px, 2.6vw, 38px);
  line-height: 1.1;
}

.product-strip p {
  grid-column: 2;
  margin: 12px 0 0;
  color: var(--muted);
}

.process {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--white);
  isolation: isolate;
}

.process::before,
.process::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
}

.process::before {
  opacity: 0.34;
  background:
    linear-gradient(90deg, transparent 0 8%, rgba(255, 250, 242, 0.18) 8% 8.35%, transparent 8.35% 16%),
    linear-gradient(rgba(255, 250, 242, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 250, 242, 0.05) 1px, transparent 1px);
  background-size:
    132px 74px,
    100% 74px,
    74px 100%;
}

.process::after {
  opacity: 0.72;
  background:
    linear-gradient(90deg, transparent 0 12%, rgba(246, 188, 91, 0.38) 12% 34%, transparent 34% 42%, rgba(255, 250, 242, 0.22) 42% 64%, transparent 64%),
    linear-gradient(90deg, transparent 0 24%, rgba(215, 71, 47, 0.36) 24% 46%, transparent 46% 56%, rgba(255, 250, 242, 0.2) 56% 76%, transparent 76%);
  background-position:
    0 38%,
    0 68%;
  background-repeat: no-repeat;
  background-size:
    100% 2px,
    100% 1px;
}

.process h2 {
  max-width: 840px;
}

.process-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(42px, 6vw, 76px);
  background: rgba(255, 250, 242, 0.2);
}

.process-steps::before {
  position: absolute;
  top: -34px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, #f6bc5b, rgba(255, 250, 242, 0.76), rgba(215, 71, 47, 0.86));
  content: "";
}

.process-steps div {
  position: relative;
  min-height: 230px;
  padding: clamp(24px, 4vw, 42px);
  background: rgba(16, 39, 44, 0.84);
  backdrop-filter: blur(6px);
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.process-steps div::before {
  position: absolute;
  top: -40px;
  left: clamp(24px, 4vw, 42px);
  width: 12px;
  height: 12px;
  border: 2px solid var(--deep);
  border-radius: 50%;
  background: #f6bc5b;
  box-shadow: 0 0 0 8px rgba(246, 188, 91, 0.14);
  content: "";
}

.process-steps div:nth-child(2)::before {
  background: rgba(255, 250, 242, 0.95);
  box-shadow: 0 0 0 8px rgba(255, 250, 242, 0.12);
}

.process-steps div:nth-child(3)::before {
  background: var(--accent);
  box-shadow: 0 0 0 8px rgba(215, 71, 47, 0.14);
}

.process-steps div:hover {
  background: rgba(19, 49, 54, 0.94);
  transform: translateY(-3px);
}

.process-steps span {
  display: block;
  color: #f6bc5b;
  font-size: 14px;
  font-weight: 900;
  text-transform: uppercase;
}

.process-steps p {
  max-width: 290px;
  margin: 46px 0 0;
  color: rgba(255, 250, 242, 0.78);
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 800;
  line-height: 1.36;
}

.contact {
  min-height: 680px;
  display: grid;
  place-items: center;
  padding: clamp(52px, 8vw, 110px) 20px;
  text-align: center;
  color: var(--white);
  background:
    linear-gradient(180deg, rgba(23, 21, 17, 0.1), rgba(23, 21, 17, 0.72)),
    url("https://images.unsplash.com/photo-1495020689067-958852a7765e?auto=format&fit=crop&w=2200&q=82")
      center / cover;
}

.contact-inner {
  width: min(780px, 100%);
}

.contact p {
  color: rgba(255, 250, 242, 0.82);
}

.primary-action.light {
  margin-top: 34px;
  color: var(--ink);
}

.site-footer {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 28px clamp(20px, 6vw, 84px);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.footer-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  color: var(--ink);
  font-size: 17px;
  font-weight: 900;
}

.footer-logo strong {
  color: var(--muted);
  font-weight: 600;
  margin-left: -3px;
}

.site-footer p {
  margin: 0;
}

.site-footer span {
  margin: 0 8px;
  color: rgba(110, 102, 93, 0.52);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

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

@keyframes heroDrift {
  from {
    transform: scale(1.04) translateX(0);
  }

  to {
    transform: scale(1.09) translateX(-1.5%);
  }
}

@media (max-width: 860px) {
  .site-header {
    height: 64px;
  }

  .nav-links {
    gap: 14px;
    font-size: 13px;
  }

  .header-right {
    gap: 12px;
  }

  .nav-links a:nth-child(3) {
    display: none;
  }

  .hero {
    min-height: 88svh;
  }

  .storyline-grid,
  .split-feature,
  .commerce,
  .process-steps {
    grid-template-columns: 1fr;
  }

  .process-steps::before,
  .process-steps div::before {
    display: none;
  }

  .split-feature {
    min-height: auto;
  }

  .feature-image {
    min-height: 420px;
  }

  .commerce-copy {
    position: static;
  }

  .process-steps div {
    min-height: 190px;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 0 16px;
  }

  .brand-mark strong {
    display: none;
  }

  .nav-links {
    gap: 12px;
  }

  .nav-links a {
    font-size: 12px;
  }

  html[lang="en"] .nav-links a {
    font-size: 11px;
  }

  .hero-copy {
    width: calc(100% - 32px);
    margin-left: 16px;
  }

  .hero-logo span {
    font-size: clamp(62px, 22vw, 96px);
  }

  .hero-logo small {
    font-size: 13px;
  }

  html[lang="en"] .hero-logo span {
    font-size: clamp(45px, 15vw, 72px);
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    width: min(260px, 100%);
  }

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

  .section-pad {
    padding-right: 18px;
    padding-left: 18px;
  }

  .feature-copy,
    .market {
    padding: 48px 18px;
  }

  .product-strip article {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .product-strip p {
    grid-column: 1;
  }

  .site-footer {
    line-height: 1.8;
  }
}

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