/* ==========================================================
   전환 강화 섹션 — 체크리스트 · 3단계 절차 · 스킵 링크
   (styles.css의 토큰을 그대로 사용)
   ========================================================== */

/* ---- Intro splash (첫 진입 모션 — 세션당 1회) ---- */
.splash {
  display: none;
}

.js .splash {
  display: flex;
  position: fixed;
  inset: 0;
  z-index: 200;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background:
    radial-gradient(640px 420px at 50% 16%, rgba(49, 130, 246, 0.3), rgba(49, 130, 246, 0) 70%),
    radial-gradient(520px 380px at 80% 90%, rgba(242, 169, 59, 0.16), rgba(242, 169, 59, 0) 70%),
    var(--ink);
  transform: translateY(0);
  transition: transform 0.62s cubic-bezier(0.7, 0, 0.3, 1);
}

.js .splash.lift {
  transform: translateY(-102%);
}

.js .splash.gone {
  display: none;
}

.splash__inner {
  text-align: center;
  padding: 0 1.5rem;
}

.splash__brands {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.splash .sb {
  display: inline-block;
  font-size: clamp(1.05rem, 0.9rem + 1vw, 1.4rem);
  font-weight: 800;
  color: #fff;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
  transition-delay: calc(var(--d, 0) * 110ms);
}

.splash .sbx {
  color: rgba(255, 255, 255, 0.4);
  font-weight: 500;
}

.splash .sb-toss {
  color: #6ea8ff;
}

.splash .sb-kv {
  color: var(--gold-bright);
}

.splash.play .sb {
  opacity: 1;
  transform: none;
}

.splash__zero {
  position: relative;
  display: inline-block;
  margin-top: 1.3rem;
  font-size: clamp(4.8rem, 3.4rem + 8vw, 8rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
  color: #fff;
  opacity: 0;
  transform: scale(2.4);
  filter: blur(10px);
  transition: opacity 0.5s var(--ease) 0.55s,
    transform 0.55s var(--ease-spring) 0.55s, filter 0.5s var(--ease) 0.55s;
}

.splash__zero span {
  font-size: 0.38em;
  font-weight: 700;
}

.splash.play .splash__zero {
  opacity: 1;
  transform: scale(1);
  filter: blur(0);
}

/* 골드 링 버스트 */
.splash__zero::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1.7em;
  height: 1.7em;
  border-radius: 50%;
  border: 3px solid var(--gold-bright);
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.5);
  pointer-events: none;
}

.splash.play .splash__zero::after {
  animation: burst 0.9s var(--ease) 0.8s forwards;
}

@keyframes burst {
  0% {
    opacity: 0.9;
    transform: translate(-50%, -50%) scale(0.55);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.65);
  }
}

.splash__sub {
  margin-top: 1.3rem;
  font-size: clamp(1rem, 0.95rem + 0.4vw, 1.15rem);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.45s var(--ease) 1.05s, transform 0.45s var(--ease) 1.05s;
}

.splash.play .splash__sub {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js .splash {
    display: none;
  }
}

/* ---- Skip links (포커스 시 표시) ---- */
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link:focus-visible {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  width: auto;
  height: auto;
  clip: auto;
  padding: 12px 18px;
  background: var(--toss-blue-dark);
  color: #fff;
  font-weight: 700;
  border-radius: 10px;
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

/* ---- Toss POS perks (운영 장점) ---- */
.section__sub {
  margin-top: 0.75rem;
  color: var(--gray-600);
  font-size: 1rem;
}

.perks {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.perk {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 1.3rem 1.35rem;
}

.perk__ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--white);
  border: 1px solid var(--toss-blue-100);
  color: var(--toss-blue-dark);
}

.perk__ic .ic {
  width: 21px;
  height: 21px;
  stroke-width: 1.9;
}

.perk h3 {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.perk p {
  margin-top: 0.3rem;
  font-size: 0.9rem;
  color: var(--gray-700);
  line-height: 1.55;
}

/* ---- Who should call (체크리스트) ---- */
.who {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.who__item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.3rem;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--gray-800);
  box-shadow: var(--shadow-card);
}

/* 텍스트를 하나의 플렉스 아이템으로 — 문장이 조각나지 않게 */
.who__tx {
  flex: 1;
  min-width: 0;
}

.who__item b {
  color: var(--ink);
}

.who__ck {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--toss-blue);
  color: #fff;
}

.who__ck .ic {
  width: 16px;
  height: 16px;
  stroke-width: 3;
}

.who__cta {
  text-align: center;
  margin-top: 2.2rem;
}

/* ---- Steps (3단계) ---- */
.steps {
  list-style: none;
  display: grid;
  gap: 16px;
}

@media (min-width: 720px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step {
  position: relative;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.4rem 1.4rem;
  box-shadow: var(--shadow-card);
}

.step__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: var(--toss-blue);
  color: #fff;
  font-weight: 900;
  font-size: 1rem;
  margin-bottom: 0.8rem;
}

.step h3 {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.step p {
  margin-top: 0.45rem;
  font-size: 0.92rem;
  color: var(--gray-600);
  line-height: 1.6;
}

.steps__note {
  margin-top: 1.4rem;
  font-size: 0.85rem;
  color: var(--gray-600);
  text-align: center;
}