/* hero-center 스킨 전용 — twb-hero-center__* 만 사용 (default·다른 섹션과 충돌 없음) */
section.twb-section[data-twb-skin="hero-center"] {
  width: 100%;
}

section.twb-section[data-twb-skin="hero-center"].twb-section--hero-center {
  padding-top: 3.75rem;
  padding-bottom: 3.75rem;
  text-align: center;
  background-color: #fff;
}

/* 디자인 토큰 — 이 루트에만 정의 */
.twb-hero-center {
  --color-zinc-50: oklch(98.5% 0 0);
  --color-zinc-500: oklch(55.2% 0.016 285.938);
  --color-zinc-900: oklch(21% 0.006 285.885);
  --spacing: 0.25rem;
  --container-2xl: 42rem;
  --container-4xl: 56rem;
  --text-6xl: 3.75rem;
  --text-8xl: 6rem;
  --text-9xl: 8rem;
  --text-5xl: 3rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-hero-badge: 0.5625rem;
  --leading-none: 1;
  --leading-relaxed: 1.625;
  --tracking-tighter: -0.05em;
  --tracking-badge: 0.2em;
  --radius-2xl: 1rem;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  --font-weight-black: 900;
  --color-brand-zinc-100: #f4f4f5;
  --color-brand-zinc-200: #e4e4e7;
  --color-brand-zinc-500: #71717a;
  --color-brand-zinc-800: #27272a;
  --color-brand-zinc-900: #18181b;
  /* 히어로 자동 스케일 — 플러그인에서 calc(var(--hero-*) * var(--hero-scale)) */
  --base-h1: 48px;
  --base-h1-px: 48;
  --base-h2: 48px;
  --base-h2-px: 48;
  --base-h3: 9px;
  --base-h3-px: 9;
  --base-p: 20px;
  --base-p-px: 20;
  /* Fluid gaps/buttons: typography clamp; rem --twb-hero-base-* kept for fallback */
  --base-gap-badge-title: 48px;
  --base-gap-badge-title-px: 48;
  --base-gap-title-desc: 48px;
  --base-gap-title-desc-px: 48;
  --base-gap-desc-actions: 64px;
  --base-gap-desc-actions-px: 64;
  --base-gap-actions: 20px;
  --base-gap-actions-px: 20;
  --base-btn-font-size: 20px;
  --base-btn-font-size-px: 20;
  --base-btn-pad-y: 28px;
  --base-btn-pad-y-px: 28;
  --base-btn-pad-x: 60px;
  --base-btn-pad-x-px: 60;
  --twb-hero-base-gap-badge-title: calc(var(--spacing) * 12);
  --twb-hero-base-gap-title-desc: calc(var(--spacing) * 12);
  --twb-hero-base-gap-desc-actions: calc(var(--spacing) * 16);
  --twb-hero-base-gap-actions: calc(var(--spacing) * 5);
  --twb-hero-base-btn-font-size: 1.25rem;
  --twb-hero-base-btn-pad-y: calc(var(--spacing) * 7);
  --twb-hero-base-btn-pad-x: calc(var(--spacing) * 15);
  --twb-hero-base-btn-radius: var(--radius-2xl);
  --twb-hero-base-btn-min-height: 0px;
  --twb-hero-base-btn-min-w: auto;
  --twb-hero-base-padding-y: calc(var(--spacing) * 32);
  --twb-hero-base-padding-x: calc(var(--spacing) * 6);
  --twb-hero-base-badge-pad-y: calc(var(--spacing) * 1.5);
  --twb-hero-base-badge-pad-x: calc(var(--spacing) * 4);

  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: var(--twb-hero-padding-y, var(--twb-hero-base-padding-y))
    var(--twb-hero-padding-x, var(--twb-hero-base-padding-x));
  border: none;
  border-bottom: 1px solid var(--color-zinc-50);
  overflow: hidden;
  text-align: center;
  background-color: #fff;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

@media (min-width: 768px) {
  .twb-hero-center {
    --base-p: 24px;
    --base-p-px: 24;
    --twb-hero-base-padding-y: calc(var(--spacing) * 56);
  }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .twb-hero-center {
    --base-h1: 96px;
    --base-h1-px: 96;
    --base-h2: 96px;
    --base-h2-px: 96;
  }
}

@media (min-width: 1025px) {
  .twb-hero-center {
    --base-h1: 128px;
    --base-h1-px: 128;
    --base-h2: 128px;
    --base-h2-px: 128;
  }
}

.twb-hero-center__bg-layer {
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.twb-hero-center__video-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  isolation: isolate;
}

.twb-hero-center__video-bg-iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 177.77vh;
  height: 100%;
  min-width: 100%;
  min-height: 56.25vw;
  transform: translate(-50%, -50%);
  border: 0;
  z-index: 0;
}

.twb-hero-center__video-bg-inner {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.twb-hero-center__video-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.twb-hero-center__video-bg-dim {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* 섹션 등장(fade-up 등)은 그리드·콘텐츠에만 — 배경·영상은 형제 레이어로 고정 */
.twb-hero-center__section-motion {
  position: relative;
  z-index: 1;
  width: 100%;
}

/* max-w-4xl mx-auto space-y-12 */
.twb-hero-center__grid {
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  position: relative;
  z-index: 1;
  width: 100%;
}

.twb-hero-center__content {
  width: 100%;
  max-width: var(--container-4xl);
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.twb-hero-center__content > .twb-hero-center__badge {
  margin: 0 0 var(--twb-hero-gap-badge-title, var(--twb-hero-base-gap-badge-title)) 0;
}

.twb-hero-center__content > .twb-hero-center__title {
  margin: 0 0 var(--twb-hero-gap-title-desc, var(--twb-hero-base-gap-title-desc)) 0;
}

.twb-hero-center__content > .twb-hero-center__desc {
  margin: 0 0 var(--twb-hero-gap-desc-actions, var(--twb-hero-base-gap-desc-actions)) 0;
}

.twb-hero-center__content > .twb-hero-center__actions {
  margin: 0;
}

/* 배지: px-4 py-1.5 bg-zinc-100 text-[11px] font-bold text-zinc-500 tracking-[0.2em] */
.twb-hero-center__badge {
  display: inline-flex;
  align-items: center;
  align-self: center;
  box-sizing: border-box;
  width: fit-content;
  max-width: 100%;
  gap: calc(var(--spacing) * 2);
  padding: var(--twb-hero-badge-pad-y, var(--twb-hero-base-badge-pad-y))
    var(--twb-hero-badge-pad-x, var(--twb-hero-base-badge-pad-x));
  border-radius: 999px;
  background: var(--color-brand-zinc-100);
  color: var(--color-brand-zinc-500);
  font-size: var(--twb-hero-fs-h3, var(--twb-typo-size-h3, var(--base-h3, 9px)));
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-badge);
  text-transform: uppercase;
}

/* 제목: text-6xl md:text-9xl font-black tracking-tighter leading-none text-zinc-900 */
.twb-hero-center__title {
  font-size: var(--twb-hero-fs-h1, var(--twb-typo-size-h1, var(--base-h1, 48px)));
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-tighter);
  font-weight: var(--font-weight-black);
  color: var(--color-brand-zinc-900);
  word-break: keep-all;
}

/* 설명: text-xl md:text-2xl text-zinc-500 max-w-2xl mx-auto leading-relaxed font-medium */
.twb-hero-center__desc {
  font-size: var(--twb-hero-fs-p, var(--twb-typo-size-p, var(--base-p, 20px)));
  line-height: var(--leading-relaxed);
  color: var(--color-brand-zinc-500);
  font-weight: var(--font-weight-medium);
  word-break: keep-all;
  white-space: pre-wrap;
  max-width: var(--container-2xl);
  width: 100%;
}

/* 버튼 행: flex-col sm:flex-row gap-5 pt-4 */
.twb-hero-center__actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: var(--twb-hero-gap-actions, var(--twb-hero-base-gap-actions));
  flex-wrap: wrap;
  width: 100%;
  max-width: 100%;
  padding-top: 0;
}

@media (min-width: 640px) {
  .twb-hero-center__actions {
    flex-direction: row;
    align-items: center;
    width: auto;
    max-width: none;
  }
}

/* px-14 py-6 rounded-2xl text-xl */
.twb-hero-center__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 100%;
  padding: var(--twb-hero-btn-pad-y, var(--twb-hero-base-btn-pad-y))
    var(--twb-hero-btn-pad-x, var(--twb-hero-base-btn-pad-x));
  border-radius: var(--twb-hero-btn-radius, var(--twb-hero-base-btn-radius));
  font-size: var(--twb-hero-btn-font-size, var(--twb-hero-base-btn-font-size));
  min-width: var(--twb-hero-btn-min-w, var(--twb-hero-base-btn-min-w));
  text-decoration: none;
  transition: transform 150ms ease, box-shadow 150ms ease, background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}

@media (min-width: 640px) {
  .twb-hero-center__btn {
    width: auto;
  }
}

.twb-hero-center__btn--primary {
  background: #000;
  color: #fff !important;
  font-weight: var(--font-weight-black);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.twb-hero-center__btn--primary:hover {
  background: var(--color-brand-zinc-800);
}

.twb-hero-center__btn--primary:active {
  transform: scale(0.95);
}

.twb-hero-center__btn--secondary {
  background: #fff;
  color: var(--color-brand-zinc-900);
  font-weight: var(--font-weight-bold);
  border: 1px solid var(--color-brand-zinc-200);
}

.twb-hero-center__btn--secondary:hover {
  background: var(--color-brand-zinc-100);
}

@media (min-width: 768px) {
  .twb-hero-center__desc {
    line-height: calc(2 / 1.5);
  }
}