/* ============================================================
   Pyeonda · Carrier Move 검증 프로토타입
   디자인 컨셉: assets/prototype.png (Supernatural) — 따뜻한 옐로우 +
   우아한 세리프 타이포 · 넉넉한 여백 + 스크롤 인터랙션/역동적 모션
   브랜드 잉크는 Pyeonda 네이비(#0A1F47) 유지
   적용 모델: Mobile 375 · Tablet mini 768 · Tablet 1024 · Desktop 1440
   ============================================================ */

/* ── 한글 폰트: Pretendard (woff2, CDN) ───────────────────── */
@font-face {
  font-family: "Pretendard";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Thin.woff2")
    format("woff2");
  font-weight: 100;
  font-display: swap;
}
@font-face {
  font-family: "Pretendard";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-ExtraLight.woff2")
    format("woff2");
  font-weight: 200;
  font-display: swap;
}
@font-face {
  font-family: "Pretendard";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Light.woff2")
    format("woff2");
  font-weight: 300;
  font-display: swap;
}
@font-face {
  font-family: "Pretendard";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Regular.woff2")
    format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Pretendard";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Medium.woff2")
    format("woff2");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Pretendard";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-SemiBold.woff2")
    format("woff2");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Pretendard";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Bold.woff2")
    format("woff2");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Pretendard";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-ExtraBold.woff2")
    format("woff2");
  font-weight: 800;
  font-display: swap;
}
@font-face {
  font-family: "Pretendard";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Black.woff2")
    format("woff2");
  font-weight: 900;
  font-display: swap;
}

/* ── 색상/토큰 ─────────────────────────────────────────────── */
:root {
  --cream: #f7f0df; /* 메인 배경(크림) */
  --yellow: #f3c948; /* 포인트 옐로우 */
  --yellow-soft: #f7d775;
  --yellow-deep: #ecbf36;
  --navy: #0a1f47; /* 브랜드 잉크 · 강조 */
  --sub: #5a6076;
  --muted: #8a7e52;
  --sheet: #fffdf7; /* 콘텐츠 시트 */
  --card-bg: #fbf8ef; /* 카드 배경(크림) */
  --card-border: #ece3cf;
  --free: #1f8552;
  --note-bg: #fbf4dd;

  --radius-card: 16px;
  --radius-qr: 18px;
  --radius-sheet: 32px;
  --radius-pill: 999px;

  --pad: 24px;
  --gap: 16px;
  --qr-size: min(360px, 84vw);

  --font-display: "Playfair Display", "Pretendard", "Noto Sans KR", serif;
  --font-script: "Pacifico", "Playfair Display", cursive;
  --font-logo: "Bungee", "Playfair Display", sans-serif;
  --font-body: "Pretendard", "Noto Sans KR", system-ui, -apple-system,
    sans-serif;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  color: var(--navy);
  background: var(--cream);
  line-height: 1.5;
  word-break: keep-all; /* 한국어/영어: 단어 단위 줄바꿈 유지 */
  min-height: 100vh;
  overflow-x: hidden;
}

/* 일본어·중국어는 공백이 없어 keep-all 시 줄바꿈되지 않으므로 임의 위치 허용 */
html[lang="ja"] body,
html[lang="zh"] body {
  word-break: normal;
  overflow-wrap: anywhere;
  line-break: strict;
}

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

/* ── 배경 데코 (패럴럭스 블롭) ───────────────────────────── */
.bg-decor {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.7;
  will-change: transform;
}

.blob--1 {
  width: 460px;
  height: 460px;
  top: -120px;
  right: -90px;
  background: radial-gradient(circle at 30% 30%, var(--yellow-soft), transparent 70%);
}

.blob--2 {
  width: 380px;
  height: 380px;
  top: 38%;
  left: -140px;
  background: radial-gradient(circle at 50% 50%, var(--yellow-deep), transparent 72%);
  opacity: 0.55;
}

.blob--3 {
  width: 300px;
  height: 300px;
  bottom: -80px;
  right: 12%;
  background: radial-gradient(circle at 50% 50%, var(--yellow-soft), transparent 70%);
  opacity: 0.5;
}

/* ── 페이지 컨테이너 ─────────────────────────────────────── */
.page {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 32px var(--pad) var(--pad);
  display: flex;
  flex-direction: column;
  gap: 40px;
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 12px 0 8px;
}

.hero__text {
  display: flex;
  flex-direction: column;
  gap: 16px;
  order: 1;
}

.hero__eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 9vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.hero__title-accent {
  font-style: italic;
  position: relative;
  display: inline-block;
}

.hero__title-accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.06em;
  height: 0.11em;
  background: var(--navy);
  border-radius: 3px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease) 0.35s;
}

.hero__title.is-visible .hero__title-accent::after {
  transform: scaleX(1);
}

.hero__sub {
  font-weight: 500;
  font-size: 15px;
  color: var(--navy);
  opacity: 0.78;
  white-space: pre-line; /* 언어팩의 \n 줄바꿈 반영 (한국어 한·영 2줄) */
}

/* 언어 선택 */
.lang {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.lang__btn {
  cursor: pointer;
  color: var(--navy);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  opacity: 0.55;
  transition: color 0.2s var(--ease), opacity 0.2s var(--ease);
}

/* 언어 사이 세로 구분선 */
.lang__btn:not(:last-child)::after {
  content: "|";
  margin: 0 10px;
  color: rgba(10, 31, 71, 0.25);
  font-weight: 400;
}

.lang__btn:hover {
  opacity: 1;
}

.lang__btn.is-active {
  font-weight: 700;
  color: var(--navy);
  opacity: 1;
}

/* 채널 카드 + 토글 */
.channel {
  order: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.channel__stage {
  position: relative;
  width: var(--qr-size);
  max-width: 100%;
}

.channel__card {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-qr);
  border: 4px solid var(--navy); /* 이미지 엣지(흰 여백)에서 사라진 경계선 보강 */
  overflow: hidden;
  box-shadow: 0 22px 50px rgba(10, 31, 71, 0.2);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.channel__card:hover {
  transform: translateY(-6px) rotate(-0.6deg);
  box-shadow: 0 30px 60px rgba(10, 31, 71, 0.28);
}

.channel__qr {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 토글 스위치 (슬라이딩 thumb) */
.toggle {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: var(--qr-size);
  max-width: 100%;
  padding: 4px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(10, 31, 71, 0.08);
  border-radius: var(--radius-pill);
}

.toggle__thumb {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 4px;
  width: calc(50% - 4px);
  background: var(--navy);
  border-radius: var(--radius-pill);
  transition: transform 0.28s var(--ease);
  z-index: 0;
}

.toggle[data-active="kakao"] .toggle__thumb {
  transform: translateX(100%);
}

.toggle__btn {
  position: relative;
  z-index: 1;
  appearance: none;
  border: none;
  cursor: pointer;
  padding: 11px 8px;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--navy);
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  opacity: 0.55;
  transition: color 0.22s var(--ease), opacity 0.22s var(--ease);
}

.toggle__btn.is-active {
  color: #fff;
  font-weight: 700;
  opacity: 1;
}

/* ── 콘텐츠 시트 (옐로우 위 화이트 패널) ─────────────────── */
.sheet {
  position: relative;
  z-index: 1;
  background: var(--sheet);
  border-radius: var(--radius-sheet);
  padding: 28px var(--pad);
  display: flex;
  flex-direction: column;
  gap: 36px;
  box-shadow: 0 20px 50px rgba(10, 31, 71, 0.12);
}

/* ── 공통 섹션 ──────────────────────────────────────────── */
.section {
  display: flex;
  flex-direction: column;
  gap: 18px;
  scroll-margin-top: 30px;
}

.section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--navy);
}

/* ── Pricing 카드 ──────────────────────────────────────── */
.pricing {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.card {
  position: relative;
  overflow: hidden;
  min-height: 124px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 20px 22px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    border-color 0.25s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 34px rgba(10, 31, 71, 0.14);
  border-color: var(--yellow-deep);
}

.card--free {
  border-color: rgba(31, 133, 82, 0.4);
}

.card__index {
  position: absolute;
  top: 10px;
  right: 16px;
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 800;
  color: rgba(10, 31, 71, 0.07);
  line-height: 1;
}

.card__name {
  font-weight: 700;
  font-size: 14px;
  color: var(--navy);
}

.card__price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 30px;
  color: var(--navy);
}

.card__price--free {
  color: var(--free);
}

.card__unit {
  font-weight: 500;
  font-size: 12px;
  color: var(--sub);
}

/* ── How it works ─────────────────────────────────────── */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  counter-reset: step;
}

.steps__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.steps__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 26px rgba(10, 31, 71, 0.12);
}

.steps__num {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
  display: grid;
  place-items: center;
  /* 디스플레이 폰트 특성상 글리프가 아래로 치우쳐 위로 살짝 보정 */
  padding-bottom: 3px;
}

.steps__label {
  font-weight: 500;
  font-size: 15px;
  color: var(--navy);
}

/* ── Contact ──────────────────────────────────────────── */
.contact {
  display: grid;
  gap: 16px;
}

.contact__body {
  font-weight: 500;
  font-size: 14px;
  color: var(--sub);
}

.contact__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.contact__link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: var(--card-bg);
  color: var(--navy);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease),
    transform 0.2s var(--ease);
}

.contact__link:hover {
  border-color: var(--navy);
  background: var(--sheet);
  transform: translateY(-2px);
}

.contact__icon {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--navy);
  color: #fff;
}

.contact__text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  min-width: 0;
}

.contact__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--sub);
}

.contact__value {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  word-break: break-all;
}

.contact__note {
  font-weight: 500;
  font-size: 13px;
  color: var(--navy);
  background: var(--note-bg);
  border-radius: 12px;
  padding: 16px 18px;
  border: 1px solid rgba(236, 191, 54, 0.4);
}

/* ── Footer ───────────────────────────────────────────── */
.footer {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 0 16px;
}

.footer__row {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 첫번째 줄: 로고 + 브랜드명 */
.footer__row--main {
  gap: 0;
  font-size: 24px;
}

/* 두번째 줄: 태그라인 */
.footer__row--sub {
  font-size: 16px;
}

.footer__logo {
  width: auto;
  height: 40px;
}

.footer__name {
  font-family: var(--font-logo);
  font-weight: 400;
  font-size: 1em;
  letter-spacing: 0.01em;
  color: var(--navy);
}

.footer__tagline {
  font-weight: 500;
  font-size: 12px;
  color: var(--navy);
  opacity: 0.7;
}

/* 세번째 줄: 서비스 시작 연도 */
.footer__row--since {
  margin-top: 4px;
}

.footer__since {
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--navy);
  opacity: 0.5;
}

/* ── 스크롤 리빌 ─────────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

[data-reveal-delay="1"] {
  transition-delay: 0.1s;
}
[data-reveal-delay="2"] {
  transition-delay: 0.2s;
}

/* ============================================================
   미디어 쿼리 — 4개 적용 모델
   ============================================================ */

/* ── ② Tablet mini (≥768px) ── */
@media (min-width: 768px) {
  :root {
    --pad: 56px;
    --qr-size: 360px;
  }

  .hero__title {
    font-size: 44px;
  }
  .hero__sub {
    font-size: 16px;
  }
  .sheet {
    padding: 40px var(--pad);
  }
}

/* ── ③ Tablet (≥834px) — 2단 히어로 + 가로 카드 ── */
@media (min-width: 834px) {
  :root {
    --pad: 64px;
    --gap: 24px;
  }

  .page {
    max-width: 1180px;
    gap: 24px;
  }

  .hero {
    display: grid;
    grid-template-columns: 1fr 300px;
    align-items: center;
    column-gap: 24px;
    padding: 14px 0;
  }

  .hero__text {
    order: 0;
  }
  .channel {
    order: 1;
  }

  .channel__stage,
  .toggle {
    --qr-size: 300px;
    width: 300px;
  }

  .hero__title {
    font-size: 50px;
  }

  .sheet {
    padding: 52px;
    gap: 48px;
  }

  .pricing,
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact {
    align-items: start;
  }

  .section__title {
    font-size: 26px;
  }
}

/* ── ④ Desktop (≥1200px) ── */
@media (min-width: 1200px) {
  .hero {
    grid-template-columns: 1fr 340px;
  }

  .channel__stage,
  .toggle {
    --qr-size: 340px;
    width: 340px;
  }

  .hero__title {
    font-size: 60px;
  }
}

/* ── 모션 최소화 선호 시 ── */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero__title-accent::after {
    transition: none;
    transform: scaleX(1);
  }
}