/* ── 0. Variables ── */
:root {
  --clr-bg:       #ffffff;
  --clr-surface:  #f5f5f7;
  --clr-border:   rgba(0, 0, 0, .1);

  --clr-accent:   #5b6ef5;
  --clr-green:    #0ea868;
  --clr-orange:   #e8640a;

  --clr-text:     #0e0f14;
  --clr-text-2:   rgba(0, 0, 0, .55);
  --clr-text-3:   rgba(0, 0, 0, .35);

  --font-ko: 'Noto Sans KR', sans-serif;
  --font-en: 'Inter', sans-serif;

  --nav-h: 80px;
}

/* ── 1. Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; scroll-behavior: smooth; }
body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-ko);
  font-size: 1.6rem;  /* 16px */
  line-height: 1.6;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }







/* ============================================================
   DEVSTUDIO — Header / Navigation
   모든 페이지 공통 헤더 스타일
   ============================================================ */

.con-inner {
  max-width:1400px;
  padding: 0 20px;
  margin:0 auto;
}

/* ── Scroll Progress Bar ── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--clr-accent);
  z-index: 101;
  transition: width .1s linear;
}

.nav-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: #ffffff99;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  /* border-bottom: 1px solid var(--clr-border); */
  box-shadow: 0 0 10px #00000011;
}

.nav-inner { 
  margin: 0 auto;
  height: 100%; 
  display: flex;
  align-items: center;
  gap: 40px;
}

/* ── Logo ── */
.nav-logo {
    display: block;
    width:120px;
}

.nav-logo img {
    display: block;
    width:100%;
    height:100%;
}

.logo-mark {
  width: 34px;
  height: 34px;
  background: var(--clr-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -.5px;
  color: #fff;
}

.logo-text {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 1.7rem;
  letter-spacing: .1em;
}

/* ── Menu ── */
.nav-menu {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-menu ul {
  display: flex;
  gap: 2px;
}

.nav-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 1.8rem;
  font-weight: 500;
  color: #444;
  border-radius: 6px;
  position: relative;
  transition: color .18s ease, background .18s ease, box-shadow .18s ease;
}

/* 비링크 메뉴 라벨 (마케팅 등 — 링크 전 플레이스홀더) */
.nav-menu .nav-menu-text {
  display: block;
  padding: 10px 20px;
  font-size: 1.8rem;
  font-weight: 500;
  color: #444;
  border-radius: 6px;
  cursor: default;
  pointer-events: none;
  user-select: none;
}

/* 투명 헤더: 형제 a 와 동일 톤 (renewal.css .nav-transparent .nav-menu a 대응) */
.nav-transparent .nav-menu .nav-menu-text {
  color: rgba(255, 255, 255, .85);
}

/* 호버 시 "눌러지는 메뉴" 느낌 — 색 + 배경 + 하단 포인트 */
.nav-menu a:hover {
  color: var(--clr-accent);
  background: rgba(91, 110, 245, .08);
}

/* 현재 페이지 메뉴 — hover(.08)보다 진한 배경 + 굵기 */
.nav-menu a.is-active {
  color: var(--clr-accent);
  font-weight: 700;
}

.nav-menu a:active {
  color: var(--clr-accent);
  background: rgba(91, 110, 245, .14);
}

.nav-menu a:focus-visible {
  color: var(--clr-accent);
  background: rgba(91, 110, 245, .1);
  outline: 2px solid rgba(91, 110, 245, .45);
  outline-offset: 2px;
}

/* ── Dropdown (세로 스택 — 부모 .nav-menu ul 가로 flex 오버라이드) ── */
.has-dropdown {
  position: relative;
  padding-bottom: 8px;
  margin-bottom: -8px;
}

/* 중첩 ul이 가로 flex를 물려받지 않도록 세로 고정 */
.nav-menu ul.dropdown-menu,
.nav-menu .dropdown-menu {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 160px;
  padding: 8px 0;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, .1);
  opacity: 0;
  visibility: hidden;
  z-index: 110;
  transition: opacity .2s, visibility .2s;
}

.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  width: 12px;
  height: 12px;
  background: #fff;
  border-radius: 2px;
  transform: translateX(-50%) rotate(45deg);
  box-shadow: -2px -2px 4px rgba(0, 0, 0, .04);
}

.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.dropdown-menu li a {
  display: block;
  padding: 10px 20px;
  font-size: 1.6rem;
  font-weight: 500;
  color: #666;
  white-space: nowrap;
  border-radius: 0;
  border-right: none;
  transition: color .2s, background .2s;
}

.dropdown-menu li a:hover {
  color: var(--clr-accent);
  background: rgba(91, 110, 245, .08);
}

.dropdown-menu li a.is-active {
  color: var(--clr-accent);
  font-weight: 700;
  background: rgba(91, 110, 245, .08);
}

/* 투명 헤더: 드롭다운 패널·링크는 불투명 흰 패널 톤 유지 (흰 글자 붕괴 방지) */
.nav-transparent .nav-menu .dropdown-menu a,
.nav-transparent .nav-menu .dropdown-menu a:hover,
.nav-transparent .nav-menu .dropdown-menu a.is-active,
.nav-transparent .nav-menu .dropdown-menu a:active {
  color: #666;
  background: transparent;
}
.nav-transparent .nav-menu .dropdown-menu a:hover,
.nav-transparent .nav-menu .dropdown-menu a.is-active {
  color: var(--clr-accent);
  background: rgba(91, 110, 245, .08);
}

/* ── CTA Button ── */
.nav-cta {
  flex-shrink: 0;
  padding: 9px 20px;
  background: var(--clr-accent);
  border-radius: 6px;
  font-size: 1.5rem;
  font-weight: 600;
  color: #fff;
  transition: background .18s ease, box-shadow .18s ease, opacity .18s ease;
}

.nav-cta:hover {
  background: #4d60df;
  box-shadow: 0 2px 10px rgba(91, 110, 245, .28);
}

.nav-cta:active {
  background: #4456c9;
  box-shadow: none;
}

.nav-cta:focus-visible {
  outline: 2px solid rgba(91, 110, 245, .55);
  outline-offset: 2px;
}

/* ── Hamburger (모바일) ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
}

/* ── Mobile Menu (1024px 이하에서 사용) ── */
.mobile-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0);
  z-index: 99;
  transition: background .3s;
}

.mobile-overlay.is-visible {
  background: rgba(0,0,0,.4);
}

.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  right: -300px;
  width: 300px;
  height: 100%;
  background: #fff;
  z-index: 101;
  padding: 80px 28px 40px;
  transition: right .3s ease;
  overflow-y: auto;
}

.nav-mobile.is-open {
  right: 0;
}

.nav-mobile-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: none;
  border: none;
  font-size: 3.4rem;
  cursor: pointer;
  color: var(--clr-text);
  line-height: 1;
  padding:5px 15px;
}

.nav-mobile ul {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav-mobile > ul > li > a {
  display: block;
  padding: 16px 0;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--clr-text);
  border-bottom: 1px solid var(--clr-border);
  transition: color .18s ease, padding-left .18s ease, background .18s ease;
}

.nav-mobile > ul > li > .nav-menu-text {
  display: block;
  padding: 16px 0;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--clr-text);
  border-bottom: 1px solid var(--clr-border);
  cursor: default;
  pointer-events: none;
  user-select: none;
}

.nav-mobile > ul > li > a:hover {
  color: var(--clr-accent);
  padding-left: 6px;
}

.nav-mobile > ul > li > a.is-active {
  color: var(--clr-accent);
  font-weight: 700;
}

.nav-mobile > ul > li > a:active {
  color: var(--clr-accent);
  background: rgba(91, 110, 245, .06);
}

.nav-mobile .mobile-sub {
  padding: 0 0 12px 16px;
}

.nav-mobile .mobile-sub li a {
  display: block;
  padding: 10px 0;
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--clr-text-2);
}

.nav-mobile .mobile-sub li a:hover {
  color: var(--clr-accent);
}

.nav-mobile .mobile-sub li a.is-active {
  color: var(--clr-accent);
  font-weight: 700;
}

.nav-mobile-cta {
  display: block;
  margin-top: 28px;
  padding: 14px 0;
  text-align: center;
  background: var(--clr-accent);
  border-radius: 8px;
  font-size: 1.6rem;
  font-weight: 600;
  color: #fff;
  transition: background .18s ease, box-shadow .18s ease;
}

.nav-mobile-cta:hover {
  background: #4d60df;
  box-shadow: 0 2px 10px rgba(91, 110, 245, .28);
}

.nav-mobile-cta:active {
  background: #4456c9;
}

@media (prefers-reduced-motion: reduce) {
  .nav-menu a,
  .nav-cta,
  .nav-mobile > ul > li > a,
  .nav-mobile-cta {
    transition: none;
  }
}

/* ── Hamburger X 애니메이션 ── */
.nav-hamburger.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.is-active span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.nav-hamburger span {
  transition: transform .3s, opacity .2s;
}


/* ============================================================
   RESPONSIVE
   ============================================================ */

/* ── ≤ 1280px ── */
@media (max-width: 1280px) {
  .nav-inner { gap: 28px; }
  .nav-menu a,
  .nav-menu .nav-menu-text { padding: 8px 14px; font-size: 1.6rem; }
  .dropdown-menu li a { font-size: 1.5rem; padding: 8px 16px; }
  .nav-cta { font-size: 1.4rem; padding: 8px 18px; }
}

/* ── ≤ 1024px — 햄버거 전환 ── */
@media (max-width: 1024px) {
  .nav-inner { padding: 0 24px; }
  .nav-menu { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .nav-mobile { display: block; }
  .mobile-overlay { display: block; }
}

/* ── ≤ 768px ── */
@media (max-width: 768px) {
  :root { --nav-h: 70px; }
  .nav-inner { padding: 0 20px; gap: 16px; }
  .nav-logo { width: 100px; }

  .con-inner {
    padding: 0 15px;
  }
}

/* ── ≤ 480px ── */
@media (max-width: 480px) {
  :root { --nav-h: 56px; }
  .nav-inner { padding: 0 16px; }
  .nav-logo { width: 90px; }
  .nav-mobile { width: 260px; padding: 72px 24px 32px; }
  .nav-mobile > ul > li > a,
  .nav-mobile > ul > li > .nav-menu-text { font-size: 1.6rem; padding: 14px 0; }
  .nav-mobile .mobile-sub li a { font-size: 1.4rem; }
  .nav-mobile-cta { font-size: 1.4rem; }
}