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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: auto;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  word-break: keep-all;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 종이 그레인 — 화면 전체에 아주 옅게 */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0.11;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

main {
  overflow-x: clip;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
  letter-spacing: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
}

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.serif {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
}

/* 형광펜 — 호버하면 칠해지는 버전(.hl-hover)도 있다 */
.hl {
  background: linear-gradient(transparent 58%, var(--butter) 58%, var(--butter) 92%, transparent 92%);
  padding: 0 0.06em;
}

.hl-hover {
  background: linear-gradient(var(--butter), var(--butter)) no-repeat 0 88% / 0% 38%;
  transition: background-size 0.45s var(--ease-out);
}

.hl-hover:hover,
.hl-hover:focus-visible {
  background-size: 100% 38%;
}

/* 라벨 띠 — 포스터처럼 글자 뒤에 색 면을 깐다 */
.band {
  display: inline;
  padding: 0 0.12em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* 버튼: 호버하면 잉크가 왼쪽부터 차오른다 */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 24px;
  border: var(--stroke);
  border-radius: 999px;
  font-weight: 800;
  font-size: 16px;
  white-space: nowrap;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.35s var(--ease-out);
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease-out);
}

.btn:hover::before,
.btn:focus-visible::before {
  transform: scaleX(1);
}

.btn:hover,
.btn:focus-visible {
  color: var(--cream);
}

.btn .arrow {
  transition: transform 0.35s var(--ease-out);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

.btn--orange {
  background: var(--orange);
  color: var(--on-orange);
}

.btn--cream {
  background: var(--cream);
}

.btn--ink {
  background: var(--ink);
  color: var(--cream);
}

.btn--ink::before {
  background: var(--orange);
}

.btn--sm {
  min-height: 40px;
  padding: 0 16px;
  font-size: 14px;
}

/* 마키 띠 */
.marquee {
  display: flex;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
}

.marquee__track {
  display: flex;
  flex-shrink: 0;
  animation: marquee 28s linear infinite;
}

.marquee__track > span {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding-right: 0.6em;
}

@keyframes marquee {
  to {
    transform: translateX(-100%);
  }
}

.note {
  font-size: 12px;
  color: var(--mute);
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track,
  .spin {
    animation: none !important;
  }
}