/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─── CSS 변수 ─── */
:root {

  /* 메인 컬러 */
  --color-main:         #f6b823;
  --color-sub :         #de3157;

  /* 배경색 */
  --color-bg-primary:   #ffffff;
  --color-bg-secondary: #f4f4f4;
  --color-bg-alt:       #f9f9f9;

  /* 포인트 컬러 */
  --color-accent:       #c8ff00;
  --color-accent-hover: #b0e300;

  /* 텍스트 */
  --color-text-primary:   #0d0d0d;
  --color-text-primary-w: #fff;
  --color-text-secondary: rgba(0, 0, 0, 0.7);
  --color-text-dark:      #0d0d0d;

  /* 테두리 */
  --color-border:        rgba(0, 0, 0, 0.1);
  --color-border-accent: rgba(140, 200, 0, 0.4);

  /* 오버레이 */
  --color-overlay: rgba(10, 8, 6, 0.55);

  /* ─── 폰트 패밀리 ─── */
  --font-heading: 'Bebas Neue', Impact, sans-serif;
  --font-body:    'Inter', sans-serif;

  /* ─── 폰트 크기 (1rem = 10px) ─── */
  --text-3xs:  1rem;      /* 10px */  
  --text-2xs:  1.2rem;    /* 12px */
  --text-xs:   1.4rem;    /* 14px */
  --text-sm:   1.6rem;    /* 16px */
  --text-base: 1.8rem;    /* 18px */
  --text-md:   1.8rem;    /* 18px */
  --text-lg:   2rem;      /* 20px */
  --text-xl:   2.4rem;    /* 24px */
  --text-2xl:  3.2rem;    /* 32px */
  --text-3xl:  4rem;      /* 40px */
  --text-4xl:  5.6rem;    /* 56px */
  --text-5xl:  8rem;      /* 80px */
  --text-6xl:  10.4rem;   /* 104px */

  /* ─── 폰트 굵기 ─── */
  --fw-light:    300;
  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     900;

  /* ─── 자간 ─── */
  --ls-widest: 0.22em;
  --ls-wide:   0.12em;
  --ls-normal: 0.04em;

  /* ─── 간격 ─── */
  --space-xs:  0.8rem;    /*  8px */
  --space-sm:  1.6rem;    /* 16px */
  --space-md:  3.2rem;    /* 32px */
  --space-lg:  6.4rem;    /* 64px */
  --space-xl:  9.6rem;    /* 96px */
  --space-2xl: 12.8rem;   /* 128px */
  --space-3xl: 19.2rem;   /* 192px */

  /* ─── 레이아웃 ─── */
  --max-width:     1260px;
  --container-pad: 6rem;
  --nav-h:         72px;
  --marquee-h:     50px;
  --banner-h:      5rem;
  --radius:        14px;

  /* ─── 전환 ─── */
  --transition:      all 0.3s ease;
  --transition-slow: all 0.65s ease;

  /* ─── 버튼 ─── */
  --btn-radius: 4px;
  --btn-pad:    1.6rem 4.4rem;
}

/* ───── 리셋 ───── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 62.5%; /* 1rem = 10px */
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}
img {
  display: block;
  max-width: 100%;
}
ul, ol {
  list-style: none;
}

/* ───── 공통 레이아웃 ───── */



/* ───── 버튼 ───── */



/* ───── 네비게이션 ───── */
.nav {
  position: fixed;
  top: calc(var(--banner-h) + var(--marquee-h)); left: 0;
  width: 100%;
  height: var(--nav-h);
  z-index: 1000;
  background: var(--color-main);
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  transition: background 0.4s ease, border-color 0.4s ease, opacity 0.4s ease;
}

.nav.is-scrolled {
  background: var(--color-main);
  border-bottom-color: rgba(255, 255, 255, 0.3);
}

.nav--hidden {
  opacity: 0;
  pointer-events: none;
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo img {
  height: var(--nav-h);
  width: auto;
  filter: brightness(0) invert(1);
}

.nav__menu { 
  display: flex;
  align-items: center;
  gap: 3.6rem; 
}

.nav__link {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-text-primary-w);
  transition: color 0.2s ease;
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 2px;
  background: var(--color-text-primary);
  transition: width 0.25s ease;
}

.nav__link:hover {
  color: var(--color-text-primary);
}

.nav__link:active {
  color: var(--color-text-primary);
}

.nav__link:hover::after {
  width: 100%;
}

/* 데스크톱에서는 레이아웃에 영향을 주지 않는 투명 래퍼 (메뉴를 감싸서 모바일 패널로 전환하기 위함) */
.nav__panel {
  display: contents;
}

/* 언어 토글 + 햄버거 버튼을 붙여서 한 그룹으로 배치 */
.nav__actions {
  display: flex;
  align-items: center;
  gap: 3rem;
}

/* ───── 모바일 메뉴 토글 버튼 (햄버거) ───── */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 3.2rem;
  height: 3.2rem;
  border: none;
  background: none;
  cursor: pointer;
  z-index: 1001;
}

.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-primary-w);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav__toggle--active .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle--active .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav__toggle--active .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ───── 언어 토글 (KR/EN) ───── */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.lang-toggle__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.lang-toggle__btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.lang-toggle__btn--active {
  opacity: 1;
}

.lang-toggle__flag {
  width: 2.1rem;
  height: 1.4rem;
  object-fit: cover;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.5);
  display: block;
}

.lang-toggle__label {
  font-size: var(--text-2xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-normal);
  color: var(--color-text-primary-w);
}

/* ═══════════════════════════════
   Footer
═══════════════════════════════ */
.footer {
  background: var(--color-main);
  border-top: 1px solid var(--color-border);
  padding: 4rem 0;
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  position: relative;
  display: flex;
  justify-content: center;
}

.footer__center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.footer__logo {
  height: 16rem;
  filter: brightness(0) invert(1);
}

.footer__social {
  position: absolute;
  right: var(--container-pad);
  top: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.2rem;
}
.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-primary-w);
  transition: var(--transition);
}
.footer__social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.footer__bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  justify-content: space-between;
  font-size: var(--text-3xs);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary-w);
  border-top: 1px solid var(--color-border);
  padding-top: 3rem;
}

/* ───── 모바일 반응형 ───── */

/* Laptop 1024px */
@media (max-width: 1024px) {
  html {
    font-size: 56.25%;
  }
  :root {
    --container-pad: 3.2rem;
  }
}

/* Tablet 768px */
@media (max-width: 768px) {
  html {
    font-size: 50%;
  }
  :root {
    --container-pad: 2.8rem;
    --nav-h: 58px;
  }

  /* 네비게이션 — 링크 5개 + 로고 + 언어토글이 한 줄에 다 안 들어가서 햄버거 메뉴로 전환 */
  .nav__toggle {
    display: flex;
  }
  .nav__panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4rem;
    position: fixed;
    top: calc(var(--banner-h) + var(--marquee-h) + var(--nav-h));
    left: 0;
    width: 100%;
    height: calc(100vh - var(--banner-h) - var(--marquee-h) - var(--nav-h));
    background: var(--color-main);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s ease, opacity 0.35s ease;
  }
  .nav__panel--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__menu {
    flex-direction: column;
    gap: 3.2rem;
  }
  .nav__link {
    font-size: var(--text-2xl);
  }

}

/* Mobile L 430px */
@media (max-width: 430px) {
  html {
    font-size: 43.75%;
  }
  :root {
    --container-pad: 2rem;
    --nav-h: 52px;
  }
}

/* Mobile S 360px */
@media (max-width: 360px) {
  html {
    font-size: 37.5%;
  }
  :root {
    --nav-h: 48px;
  }
}