/* --- CSS Variables --- */
:root {
    --primary-color: #1A4B82; /* 프로필 사진의 블루 톤에 맞춤 */
    --secondary-color: #356BA5; /* 은은한 블루 포인트 */
    --text-main: #333333;
    --text-muted: #666666;
    --bg-light: #f4f7fa; /* 푸른빛이 살짝 도는 밝은 배경 */
    --bg-white: #ffffff;
    --accent: #E8F1F8; /* 부드러운 스카이블루 강조색 */
    
    --font-serif: 'Nanum Myeongjo', serif;
    --font-sans: 'Pretendard', sans-serif;

    --header-height: 70px;
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s ease;
}

/* --- Reset & Base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background-color: var(--secondary-color);
    margin: 1rem auto 0;
}

/* --- Header & Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    z-index: 1000;
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo-link {
    display: inline-flex;
    align-items: center;
}

.header-logo {
    height: 60px;
    width: auto;
    transition: transform var(--transition-fast);
}

.header-logo:hover {
    transform: scale(1.05);
}



.nav .menu {
    display: flex;
    gap: 2rem;
}

.nav .menu a {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary-color);
    transition: color var(--transition-fast);
    position: relative;
}

.nav .menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--secondary-color);
    transition: width var(--transition-fast);
}

.nav .menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

.sub-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--bg-white);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    padding: 1rem 0;
    display: none;
    flex-direction: column;
    z-index: 999;
    border-top: 1px solid #eee;
}

.sub-menu li {
    width: 100%;
}

.sub-menu a {
    display: block;
    width: 100%;
    padding: 1rem 5%;
    color: var(--text-main);
    font-weight: 500;
    border-bottom: 1px solid #f0f0f0;
}

.sub-menu a:hover {
    background-color: var(--bg-light);
    color: var(--secondary-color);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background: url('pexels-bible-1846174.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.6));
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--bg-white);
    padding: 0 20px;
}

.hero h2 {
    font-size: 3.5rem;
    line-height: 1.3;
    font-weight: 400;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.hero h3 {
    font-size: 1.5rem;
    font-weight: 400;
    font-family: var(--font-sans);
    opacity: 0.9;
}

/* --- Intro Section --- */
.intro-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.pastors-container {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.intro-profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-width: 200px;
}

.profile-img {
    width: 100%;
    max-width: 200px;
    aspect-ratio: 3/4;
    height: auto;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    object-fit: cover;
    object-position: top center;
}

.profile-img-placeholder {
    width: 100%;
    max-width: 200px;
    aspect-ratio: 3/4;
    height: auto;
    background-color: var(--bg-light);
    border: 2px dashed #b0c4de;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.02);
}

.profile-text h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.greeting-content {
    margin-bottom: 2rem;
}

.greeting-content .highlight {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--secondary-color);
    font-family: var(--font-serif);
    margin-bottom: 1.5rem;
}

.greeting-content p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.theology-tags {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.theology-tags span {
    background-color: var(--bg-light);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid #e0e0e0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.theology-tags span:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* --- Worship Section --- */
.worship-section {
    background-color: var(--bg-light);
}

.churchTime {
    text-align: center;
}

.worship-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.worship-list li {
    background: var(--bg-white);
    padding: 2.5rem 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.worship-list li:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.worship-list h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 1rem;
}

.worship-list h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background-color: #ddd;
}

.worship-list p {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.8;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.worship-list p strong {
    color: var(--primary-color);
}

.btnArea {
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 30px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.btn.purple {
    background-color: var(--secondary-color);
    color: var(--bg-white);
    box-shadow: 0 4px 10px rgba(108, 91, 123, 0.3);
}

.btn.purple:hover {
    background-color: #5a4b66;
    box-shadow: 0 6px 15px rgba(108, 91, 123, 0.4);
    transform: translateY(-2px);
}

/* --- Sermon Section --- */
.sermon {
    text-align: center;
}

.video-container {
    max-width: 800px;
    margin: 0 auto 2rem;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* --- Library Section --- */
.library {
    background-color: var(--primary-color);
    color: var(--bg-white);
    text-align: center;
}

.library .section-title {
    color: var(--bg-white);
}

.library .section-title::after {
    background-color: rgba(255,255,255,0.3);
}

.library p {
    margin-bottom: 2rem;
    opacity: 0.9;
}

.library-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.library-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(255,255,255,0.1);
    color: var(--bg-white);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 1rem 2rem;
    border-radius: 5px;
    transition: all var(--transition-fast);
}

.library-btn:hover {
    background-color: var(--bg-white);
    color: var(--primary-color);
}

/* --- Location Section --- */
.map-container {
    width: 100%;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    margin-bottom: 1.5rem;
}

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

.map-info p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.map-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: #ffe812; /* 카카오스타일 옐로우 */
    color: #333;
    font-weight: 600;
    border-radius: 5px;
    transition: transform 0.2s;
}

.map-btn:hover {
    transform: translateY(-2px);
}

/* --- Footer --- */
.footer {
    background-color: #1a1a1a;
    color: #aaaaaa;
    padding: 3rem 0;
    border-top: 1px solid #333;
}

.footer-info {
    text-align: center;
    margin-bottom: 2rem;
}

.footer-info h2 {
    color: #ffffff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-info h2 span {
    font-weight: 400;
}

.footer-info p {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.footer-info a {
    transition: color 0.2s;
}

.footer-info a:hover {
    color: #ffffff;
}

.copyright {
    text-align: center;
    border-top: 1px solid #333;
    padding-top: 1.5rem;
    font-size: 0.85rem;
}

/* --- Animations --- */
.hover-float {
    transition: transform 0.3s ease-out, color 0.3s ease-out;
    display: inline-block;
}

.hover-float:hover {
    transform: translateY(-5px);
    color: var(--secondary-color);
}

.hover-float-inline {
    transition: color 0.3s ease;
}

.hover-float-inline:hover {
    color: var(--secondary-color) !important;
}

.section-title:hover {
    transform: translateY(-3px);
    color: var(--secondary-color);
    transition: transform 0.3s, color 0.3s;
}

.hero-text-hover {
    transition: transform 0.3s ease-out, color 0.3s ease-out, text-shadow 0.3s ease-out;
    display: inline-block;
}

.hero-text-hover:hover {
    transform: translateY(-5px);
    color: var(--bg-white);
    text-shadow: 0 5px 15px rgba(255,255,255,0.5);
}

.particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9998;
}

.fade-in {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 1s cubic-bezier(0.25, 1, 0.25, 1), transform 1s cubic-bezier(0.25, 1, 0.25, 1);
}

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

.slide-up {
    opacity: 0;
    transform: translateY(50px);
    animation: slideUpAnim 1.2s forwards cubic-bezier(0.25, 1, 0.25, 1);
}

@keyframes slideUpAnim {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.delay-1 {
    animation-delay: 0.3s;
    transition-delay: 0.3s;
}

/* --- Responsive Layouts --- */
@media screen and (max-width: 900px) {
    .intro-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .worship-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .nav .menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero h2 {
        font-size: 2.5rem;
    }
    
    .hero h3 {
        font-size: 1.2rem;
    }

    .worship-list {
        grid-template-columns: 1fr;
    }

    .worship-list li {
        padding: 2rem 1.5rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .library-buttons {
        flex-direction: column;
        padding: 0 20px;
    }
    
    .library-btn {
        justify-content: center;
    }
}