/* =========================================
   경희하늘애한의원 - Premium Stylesheet
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Gowun+Batang:wght@400;700&family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

/* ---- CSS Variables ---- */
:root {
    --primary: #3E5A35; /* Premium Deep Green */
    --primary-dark: #2B4024;
    --primary-light: #618A55;
    
    --secondary: #F4F1EA; /* Warm beige background */
    --accent: #C28B8B; /* Muted pink for diet/points */
    
    --text-main: #2D2D2D;
    --text-muted: #6B6B6B;
    --text-light: #A3A3A3;
    
    --white: #FFFFFF;
    --bg-light: #FCFBFA;
    
    --kakao: #FAE100;
    --kakao-text: #371D1E;
    
    --font-sans: 'Noto Sans KR', sans-serif;
    --font-serif: 'Gowun Batang', serif;
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --shadow-soft: 0 10px 30px rgba(0,0,0,0.04);
    --shadow-hover: 0 15px 40px rgba(62, 90, 53, 0.15);
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ---- Layout Classes ---- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-bg {
    background-color: var(--secondary);
}

.text-center {
    text-align: center;
}

.title-serif {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.3;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

/* ---- Header & Navigation ---- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    padding: 15px 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    transition: var(--transition);
}

.header-transparent .logo {
    color: var(--white);
}

.header.scrolled .logo,
.header-transparent.scrolled .logo {
    color: var(--primary);
}

nav {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.nav-links {
    display: flex;
    gap: 25px;
}

.nav-links li a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-main);
    position: relative;
    white-space: nowrap;
}

.header-transparent .nav-links li a {
    color: var(--white);
}

.header.scrolled .nav-links li a,
.header-transparent.scrolled .nav-links li a {
    color: var(--text-main);
}

.nav-links li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary);
    transition: var(--transition);
}

.nav-links li a:hover::after,
.nav-links li a.active::after {
    width: 100%;
}

.header.scrolled .nav-links li a:hover,
.header-transparent.scrolled .nav-links li a:hover {
    color: var(--primary);
}

/* Header Actions */
.header-actions {
    display: flex;
    gap: 10px;
    margin-left: 30px;
}

.btn-head {
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.btn-head.btn-naver {
    background-color: #03C75A;
    color: #FFFFFF;
}

.btn-head.btn-naver:hover {
    background-color: #02b350;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(3, 199, 90, 0.2);
}

.btn-head.btn-kakao {
    background-color: #FEE500;
    color: #371D1E;
}

.btn-head.btn-kakao:hover {
    background-color: #e6ce00;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(254, 229, 0, 0.2);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-main);
    transition: var(--transition);
}

.header-transparent .mobile-menu-btn span {
    background-color: var(--white);
}

.header.scrolled .mobile-menu-btn span,
.header-transparent.scrolled .mobile-menu-btn span {
    background-color: var(--text-main);
}

/* Base Mobile Menu (Hidden on Desktop) */
.mobile-menu {
    display: none;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    gap: 8px;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white) !important;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-kakao {
    background-color: var(--kakao);
    color: var(--kakao-text) !important;
    font-weight: 700;
}

.btn-kakao:hover {
    background-color: #e6cf00;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(250, 225, 0, 0.3);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary);
    color: var(--primary) !important;
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--white) !important;
}

/* Sticky CTA Bottom Right */
.sticky-cta {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.sticky-cta a {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    transition: var(--transition);
}

.sticky-cta .sticky-kakao {
    background-color: var(--kakao);
    color: var(--kakao-text);
}

.sticky-cta .sticky-reserve {
    background-color: var(--primary);
    color: var(--white);
}

.sticky-cta a:hover {
    transform: scale(1.1) translateY(-5px);
}

.sticky-cta svg {
    width: 28px;
    height: 28px;
}

/* ---- Hero Section ---- */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    background: url('https://images.unsplash.com/photo-1544367563-12123d8966cd?q=80&w=2070&auto=format&fit=crop') center/cover no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 40%, rgba(255,255,255,0) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    animation: fadeUp 1s ease forwards;
}

.hero-subtitle {
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
    display: block;
    font-size: 0.9rem;
}

.hero-title {
    font-size: 4rem;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-btns {
    display: flex;
    gap: 16px;
}

/* ---- Feature Cards (Philosophy) ---- */
.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--primary);
}

.feature-title {
    font-size: 1.25rem;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.feature-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ---- Treatment Grid (Speciality) ---- */
.treatment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.treatment-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 350px;
    display: flex;
    align-items: flex-end;
    text-decoration: none;
    group: hover;
}

.treatment-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
    z-index: 0;
}

.treatment-card:hover .treatment-bg {
    transform: scale(1.05);
}

.treatment-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0) 100%);
    z-index: 1;
}

.treatment-content {
    position: relative;
    z-index: 2;
    padding: 30px;
    color: var(--white);
    width: 100%;
    transform: translateY(20px);
    transition: var(--transition);
}

.treatment-card:hover .treatment-content {
    transform: translateY(0);
}

.treatment-title {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.treatment-desc {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: 15px;
}

.treatment-link {
    font-size: 0.9rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    opacity: 0;
    transition: var(--transition);
}

.treatment-card:hover .treatment-link {
    opacity: 1;
}

/* ---- Diet Section (Split Layout) ---- */
.split-section {
    display: flex;
    align-items: center;
    gap: 60px;
}

.split-image {
    flex: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 20px 20px 0 var(--accent);
}

.split-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.split-content {
    flex: 1;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--accent);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.split-stats {
    display: flex;
    gap: 40px;
    margin: 30px 0;
}

.stat-item h4 {
    font-size: 2.5rem;
    color: var(--accent);
    font-weight: 700;
    line-height: 1.2;
}

.stat-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ---- Accordion FAQ ---- */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #EAEAEA;
    padding: 20px 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--primary-dark);
}

.faq-icon {
    font-size: 1.5rem;
    transition: var(--transition);
    color: var(--primary);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    color: var(--text-muted);
}

.faq-answer-inner {
    padding-top: 15px;
    padding-bottom: 10px;
    line-height: 1.7;
}

/* ---- Footer ---- */
.footer {
    background-color: #1A2118;
    color: #8C968A;
    padding: 60px 0 30px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    border-bottom: 1px solid #2C382A;
    padding-bottom: 40px;
}

.footer-logo {
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 15px;
    display: block;
}

.footer-info p {
    margin-bottom: 8px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links div {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

/* ---- Checklist & Process (For Subpages) ---- */
.checklist {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    margin-bottom: 40px;
}

.checklist li {
    padding: 15px 0;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
}

.checklist li::before {
    content: '✓';
    color: var(--primary);
    font-weight: bold;
    font-size: 1.2rem;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.process-card {
    text-align: center;
    padding: 30px;
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid #EAEAEA;
}

.process-step {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin: 0 auto 15px;
}

/* ---- Dropdown Navigation ---- */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.dropdown-arrow {
    font-size: 0.6rem;
    opacity: 0.7;
    transition: transform 0.2s ease;
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
    padding: 8px 0;
    min-width: 130px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, top 0.2s ease;
    z-index: 200;
    list-style: none;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    pointer-events: auto;
    top: calc(100% + 6px);
}

.dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    font-size: 0.9rem;
    color: var(--text-main) !important;
    white-space: nowrap;
    font-weight: 400;
}

.dropdown-menu li a::after {
    display: none !important;
}

.dropdown-menu li a:hover {
    background: var(--secondary);
    color: var(--primary) !important;
}

/* ---- Mobile Menu Category ---- */
.mobile-menu-label {
    color: rgba(255,255,255,0.6);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin: 18px 0 8px;
    font-family: var(--font-serif);
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    display: block;
    width: 80%;
    max-width: 280px;
    text-align: center;
}

.mobile-sub-link {
    font-size: 1.3rem !important;
    padding-left: 0;
    color: rgba(255,255,255,0.85) !important;
}

/* ---- Subpage Hero ---- */
.sub-hero {
    padding: 160px 0 80px;
    background: var(--secondary);
    text-align: center;
}

.sub-hero-title {
    font-size: 3rem;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

/* ---- Animations ---- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Responsive Design ---- */
@media (max-width: 1024px) {
    .hero-title { font-size: 3rem; }
    .grid-4, .treatment-grid { grid-template-columns: repeat(2, 1fr); }
    .split-section { flex-direction: column; }
    .split-image { box-shadow: 10px 10px 0 var(--accent); }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-top { flex-direction: column; gap: 40px; }
}

@media (max-width: 768px) {
    .nav-links, .header-actions {
        display: none; /* Mobile menu active */
    }
    .mobile-menu-btn { display: flex; }
    
    /* Mobile Menu Overlay */
    .mobile-menu {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--primary-dark);
        z-index: 1000;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }
    
    .mobile-menu.active {
        opacity: 1;
        pointer-events: auto;
    }
    
    .mobile-menu a {
        color: var(--white);
        font-size: 1.5rem;
        margin: 15px 0;
        font-family: var(--font-serif);
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
        background-color: var(--white);
    }
    .mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
        background-color: var(--white);
    }
    
    .hero { min-height: 500px; }
    .hero-title { font-size: 2.2rem; }
    .hero-btns { flex-direction: column; }
    
    .grid-4, .treatment-grid, .process-grid { grid-template-columns: 1fr; }
    .footer-links { flex-direction: column; gap: 20px; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 15px; }
    
    .sub-hero-title { font-size: 2.2rem; }
}
/* ==========================================================================
   Home Page Specific Styles
   ========================================================================== */
.features-section {
    padding: 100px 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0,0,0,0.02);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary);
    font-size: 1.8rem;
    font-weight: bold;
}

.feature-title {
    font-size: 1.25rem;
    font-family: var(--font-serif);
    color: var(--primary-dark);
    margin-bottom: 15px;
    word-break: keep-all;
}

.feature-desc {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    word-break: keep-all;
}

.clinics-section {
    padding: 100px 0;
    background: #fdfdfd;
}

.clinic-category {
    margin-bottom: 60px;
}

.clinic-category-title {
    font-size: 2rem;
    font-family: var(--font-serif);
    color: var(--primary-dark);
    margin-bottom: 30px;
    border-left: 5px solid var(--primary);
    padding-left: 15px;
}

.clinic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.clinic-card {
    border-radius: 20px;
    overflow: hidden;
    background: var(--white);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    text-decoration: none;
    display: block;
    border: 1px solid rgba(0,0,0,0.03);
}

.clinic-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.clinic-card-img {
    height: 220px;
    background-color: var(--secondary);
    background-size: cover;
    background-position: center;
    position: relative;
}

.clinic-card-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
}

.clinic-card-content {
    padding: 30px;
}

.clinic-card-title {
    font-size: 1.5rem;
    font-family: var(--font-serif);
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.clinic-card-desc {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.clinic-card-link {
    color: var(--primary);
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.location-section {
    padding: 100px 0;
    background: var(--white);
}

.location-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.info-box {
    padding: 30px;
    background: var(--secondary);
    border-radius: 20px;
    margin-bottom: 20px;
}

.info-box h4 {
    font-size: 1.2rem;
    color: var(--primary-dark);
    margin-bottom: 15px;
    font-family: var(--font-serif);
}

.info-box p {
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: 10px;
}

@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .location-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* ---- Dynamic Background Slider (Ken Burns Effect) ---- */
.hero-bg-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(255,255,255,0.7), rgba(255,255,255,0.9));
    z-index: 1;
}

.hero-bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    animation: kenburns-bg 18s infinite;
}

.hero-bg-img:nth-child(1) {
    background-image: url('https://images.unsplash.com/photo-1544367567-0f2fcb046ebf?q=80&w=2070&auto=format&fit=crop'); /* 침치료/한의원 이미지 */
    animation-delay: 0s;
}
.hero-bg-img:nth-child(2) {
    background-image: url('https://images.unsplash.com/photo-1512069772995-ec65ed45afd6?q=80&w=2070&auto=format&fit=crop'); /* 약재/탕약 이미지 */
    animation-delay: 6s;
}
.hero-bg-img:nth-child(3) {
    background-image: url('https://images.unsplash.com/photo-1519689680058-324335c77eba?q=80&w=2070&auto=format&fit=crop'); /* 자연/편안함 이미지 */
    animation-delay: 12s;
}

@keyframes kenburns-bg {
    0% { opacity: 0; transform: scale(1); }
    10% { opacity: 1; }
    25% { opacity: 1; }
    33% { opacity: 0; transform: scale(1.05); }
    100% { opacity: 0; transform: scale(1.05); }
}

/* ---- Subpage Components ---- */
.page-hero { padding: 120px 0 80px; text-align: center; background: linear-gradient(rgba(247,243,238,0.9), rgba(247,243,238,1)), url('https://images.unsplash.com/photo-1544367567-0f2fcb046ebf?q=80&w=2070') center/cover; }
.page-hero h1 { font-family: var(--font-serif); font-size: 3rem; color: var(--primary-dark); margin-bottom: 15px; }
.page-hero p { font-size: 1.1rem; color: var(--text-main); max-width: 600px; margin: 0 auto; line-height: 1.6; }

.sub-section { padding: 80px 0; }
.sub-section.bg-light { background: var(--bg-light); }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-family: var(--font-serif); font-size: 2.2rem; color: var(--primary-dark); margin-bottom: 15px; }
.section-title p { color: var(--text-light); font-size: 1.1rem; }

.split-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.split-text h3 { font-size: 1.8rem; margin-bottom: 20px; color: var(--primary-dark); }
.split-text p { margin-bottom: 15px; line-height: 1.7; color: var(--text-main); }
.split-img { border-radius: 20px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.split-img img { width: 100%; height: auto; display: block; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.card-grid.grid-2-layout { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 768px) { .card-grid.grid-2-layout { grid-template-columns: 1fr; } }
.card { background: var(--white); border-radius: 20px; padding: 40px 30px; box-shadow: 0 10px 30px rgba(0,0,0,0.03); transition: transform 0.3s ease; border: 1px solid rgba(0,0,0,0.05); }
.card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.08); }
.card-icon { font-size: 2.5rem; margin-bottom: 20px; display: inline-block; }
.card h3 { font-size: 1.4rem; color: var(--primary-dark); margin-bottom: 15px; }
.card p { color: var(--text-light); line-height: 1.6; }
.card ul { list-style: none; padding: 0; }
.card ul li { margin-bottom: 10px; position: relative; padding-left: 20px; color: var(--text-main); }
.card ul li::before { content: ''; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; background-color: var(--primary); border-radius: 50%; }

.process-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; counter-reset: step-counter; }
.process-list.grid-3-layout { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 992px) { .process-list.grid-3-layout { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .process-list.grid-3-layout { grid-template-columns: 1fr; } }
.process-item { position: relative; background: var(--white); padding: 40px 30px; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.03); border: 1px solid rgba(0,0,0,0.05); }
.process-item::before { counter-increment: step-counter; content: counter(step-counter); position: absolute; top: -20px; left: 30px; width: 50px; height: 50px; background: var(--primary); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: bold; font-family: var(--font-serif); box-shadow: 0 5px 15px rgba(50,83,50,0.3); }
.process-item h3 { margin-top: 10px; font-size: 1.3rem; margin-bottom: 15px; color: var(--primary-dark); }

.accordion-item { border-bottom: 1px solid rgba(0,0,0,0.1); margin-bottom: 15px; padding-bottom: 15px; }
.accordion-header { width: 100%; text-align: left; background: none; border: none; font-size: 1.2rem; font-weight: 700; color: var(--primary-dark); padding: 15px 0; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.accordion-content { padding: 0 0 15px 0; color: var(--text-main); line-height: 1.7; display: none; }
.accordion-item.active .accordion-content { display: block; }
.accordion-item.active .accordion-header::after { content: '-'; }
.accordion-header::after { content: '+'; font-size: 1.5rem; color: var(--primary); }

@media (max-width: 768px) { .split-layout { grid-template-columns: 1fr; } .page-hero { padding: 100px 20px 60px; } .page-hero h1 { font-size: 2.2rem; } }