/* ============================================
   국제상조 시안A: 남색/모던 - 디자인 토큰
   "전문 기업에 맡기는 안심"
   ============================================ */

@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css");

:root {
    /* ── 색상 ── */
    --primary: #1b2a4a;
    --primary-light: #2c3e6b;
    --primary-dim: #0f1829;
    --accent: #4a7ac7;
    --accent-hover: #3a6ab7;
    --bg-main: #ffffff;
    --bg-alt: #f1f4f9;
    --bg-card: #ffffff;
    --bg-dark: #111827;
    --text-primary: #1a1a2e;
    --text-secondary: #5a6378;
    --text-caption: #8892a4;
    --text-on-dark: #e2e8f0;
    --text-on-primary: #ffffff;
    --border: #e2e8f0;
    --border-light: #f1f4f9;

    /* ── 타이포그래피 ── */
    --font-primary:
        "Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont,
        "Segoe UI", sans-serif;
    --size-hero: 2rem;
    --size-h1: 1.75rem;
    --size-h2: 1.375rem;
    --size-h3: 1.125rem;
    --size-body: 0.9375rem;
    --size-caption: 0.8125rem;
    --size-small: 0.75rem;
    --size-phone: 1.5rem;
    --size-phone-hero: 2.25rem;
    --lh-tight: 1.2;
    --lh-snug: 1.35;
    --lh-normal: 1.6;

    /* ── 공간 ── */
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-section-sm: 40px;
    --space-section-md: 56px;
    --space-section-lg: 80px;
    --space-card-gap: 12px;
    --content-padding: 20px;

    /* ── 형태 ── */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    --shadow-card: 0 1px 3px rgba(27, 42, 74, 0.08);
    --shadow-card-hover: 0 4px 12px rgba(27, 42, 74, 0.12);
    --shadow-floating: 0 -2px 10px rgba(0, 0, 0, 0.1);

    /* ── 전환 ── */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: var(--size-body);
    line-height: var(--lh-normal);
    color: var(--text-primary);
    background: #e8ecf2;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ── 앱 래퍼 (모바일 중심 카드형) ── */
.app-wrapper {
    max-width: 480px;
    margin: 0 auto;
    background: var(--bg-main);
    min-height: 100vh;
    position: relative;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.08);
}

/* ── 섹션 공통 ── */
.section {
    padding-left: var(--content-padding);
    padding-right: var(--content-padding);
}

.section--sm {
    padding-top: var(--space-section-sm);
    padding-bottom: var(--space-section-sm);
}
.section--md {
    padding-top: var(--space-section-md);
    padding-bottom: var(--space-section-md);
}
.section--lg {
    padding-top: var(--space-section-lg);
    padding-bottom: var(--space-section-lg);
}
.section--alt {
    background: var(--bg-alt);
}

/* 서브페이지 헤더 (홈 제외) */
.page-header .text-caption {
    font-size: var(--size-body);
    color: var(--text-secondary);
}

/* 페이지 헤더 바로 다음 콘텐츠 섹션의 상단 여백을 절반으로 */
.page-header + .section {
    padding-top: 28px;
}

/* ── 타이포그래피 ── */
.text-hero {
    font-size: var(--size-hero);
    font-weight: 700;
    line-height: var(--lh-tight);
    letter-spacing: -0.02em;
}

.text-h1 {
    font-size: var(--size-h1);
    font-weight: 700;
    line-height: var(--lh-tight);
    letter-spacing: -0.01em;
}

.text-h2 {
    font-size: var(--size-h2);
    font-weight: 600;
    line-height: var(--lh-snug);
}

.text-h3 {
    font-size: var(--size-h3);
    font-weight: 600;
    line-height: var(--lh-snug);
}

.text-body {
    font-size: var(--size-body);
    line-height: var(--lh-normal);
}

.text-caption {
    font-size: var(--size-caption);
    line-height: var(--lh-normal);
    color: var(--text-caption);
}

.text-phone {
    font-size: var(--size-phone);
    font-weight: 700;
    letter-spacing: 0.02em;
}

/* ── 카드 ── */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    transition:
        transform var(--transition-base),
        box-shadow var(--transition-base);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
}

/* ── 버튼 ── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--accent);
    color: var(--text-on-primary);
    font-family: var(--font-primary);
    font-size: var(--size-body);
    font-weight: 600;
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition:
        background var(--transition-fast),
        transform var(--transition-fast);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
}

/* ── 헤더 (전체 너비) ── */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1080px;
    margin: 0 auto;
    padding: 12px var(--content-padding);
}

.header__logo {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    flex-shrink: 0;
}

/* PC 내비게이션 */
.header__nav {
    display: none;
    align-items: center;
    gap: 4px;
}

.header__nav-link {
    padding: 8px 14px;
    font-size: var(--size-body);
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition:
        color var(--transition-fast),
        background var(--transition-fast);
    white-space: nowrap;
}

.header__nav-link:hover,
.header__nav-link.active {
    color: var(--primary);
    background: var(--bg-alt);
}

.header__phone {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--size-caption);
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    white-space: nowrap;
}

.header__menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.header__menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition:
        transform var(--transition-base),
        opacity var(--transition-base);
}

.header__menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.header__menu-btn.active span:nth-child(2) {
    opacity: 0;
}
.header__menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* PC: 768px 이상에서 내비 표시, 햄버거 숨김 */
@media (min-width: 768px) {
    .header__nav {
        display: flex;
    }
    .header__menu-btn {
        display: none;
    }
}

/* ── 모바일 메뉴 (우측 슬라이드 패널) ── */
.mobile-menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 55;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    transition:
        opacity var(--transition-slow),
        visibility var(--transition-slow);
}

.mobile-menu-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    width: 300px;
    max-width: 80vw;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px var(--content-padding);
    border-bottom: 1px solid var(--border-light);
}

.mobile-menu__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
}

.mobile-menu__nav {
    flex: 1;
    padding: var(--space-md) 0;
    overflow-y: auto;
}

.mobile-menu__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px var(--content-padding);
    font-size: var(--size-body);
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    transition:
        background var(--transition-fast),
        color var(--transition-fast);
}

.mobile-menu__link:hover,
.mobile-menu__link.active {
    background: var(--bg-alt);
    color: var(--accent);
}

.mobile-menu__link-arrow {
    width: 16px;
    height: 16px;
    color: var(--text-caption);
}

.mobile-menu__footer {
    padding: var(--space-md) var(--content-padding);
    border-top: 1px solid var(--border-light);
}

.mobile-menu__phone-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px;
    background: var(--primary);
    color: #ffffff;
    font-size: var(--size-body);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.mobile-menu__phone-link:hover {
    background: var(--primary-light);
}

/* ── 하단 플로팅 CTA ── */
.floating-cta {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    z-index: 35;
    box-shadow: var(--shadow-floating);
}

/* PC: 우하단 직사각형 버튼 */
@media (min-width: 768px) {
    .floating-cta {
        bottom: 24px;
        right: 24px;
        left: auto;
        transform: none;
        width: auto;
        max-width: none;
        border-radius: var(--radius-sm);
        overflow: hidden;
        box-shadow: 0 4px 20px rgba(27, 42, 74, 0.25);
    }
}

.floating-cta__link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px;
    background: var(--primary);
    color: var(--text-on-primary);
    font-family: var(--font-primary);
    font-size: var(--size-body);
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0.01em;
    transition: background var(--transition-fast);
}

.floating-cta__link:hover {
    background: var(--primary-light);
}

.floating-cta__phone {
    font-size: var(--size-phone);
    font-weight: 700;
    letter-spacing: 0.03em;
}

.floating-cta__badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    background: var(--accent);
    color: #ffffff;
    font-size: var(--size-small);
    font-weight: 700;
    border-radius: var(--radius-sm);
    letter-spacing: 0.05em;
}

/* ── 푸터 ── */
.footer {
    background: var(--bg-dark);
    color: var(--text-on-dark);
    padding: var(--space-section-sm) var(--content-padding);
    padding-bottom: 100px; /* 플로팅 버튼 겹침 방지 */
    font-size: var(--size-small);
    line-height: 1.8;
}

.footer__title {
    font-size: var(--size-caption);
    font-weight: 600;
    color: #ffffff;
    margin-bottom: var(--space-sm);
}

.footer__info {
    color: #9ca3af;
}

/* ── 아코디언 ── */
.accordion-item {
    border-bottom: 1px solid var(--border);
}

.accordion-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
    padding: var(--space-md) 0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: var(--size-body);
    font-weight: 500;
    color: var(--text-primary);
    text-align: left;
}

.accordion-trigger__text {
    flex: 1;
    text-align: left;
}

.accordion-trigger__icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.accordion-item.open .accordion-trigger__icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.accordion-content__inner {
    padding: 0 0 var(--space-md) 0;
    font-size: var(--size-body);
    color: var(--text-secondary);
    line-height: var(--lh-normal);
}

/* ── FAQ 카테고리 탭 ── */
.tab-list {
    display: flex;
    gap: var(--space-xs);
    overflow-x: auto;
    padding-bottom: var(--space-sm);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.tab-list::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    flex-shrink: 0;
    padding: 8px 16px;
    font-family: var(--font-primary);
    font-size: var(--size-caption);
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--text-on-primary);
    background: var(--primary);
    border-color: var(--primary);
}

/* ── 스크롤 애니메이션 ── */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 0.6s ease,
        transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── 유틸리티 ── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

a {
    color: inherit;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
button {
    font-family: var(--font-primary);
}