/* 기본 스타일 초기화 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* 헤더 */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

nav h1 {
    font-size: 1.8rem;
    color: #2c3e50;
    font-weight: 700;
}

/* 메인 컨텐츠 */
main {
    margin-top: 80px;
}

/* 섹션 공통 스타일 */
.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

/* 섹션별로 개별 오버레이 설정 */

.section .content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    max-width: 1200px;
    width: 100%;
}

.section h2 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.section p {
    font-size: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 별 (Star) 섹션 - 밤하늘과 별들 */
#star {
    background: linear-gradient(to bottom, #0f0c29, #302b63, #24243e);
    background-size: 100% 100%;
    overflow: hidden;
}

#star::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 20% 30%, white, transparent),
        radial-gradient(2px 2px at 60% 70%, white, transparent),
        radial-gradient(1px 1px at 50% 50%, white, transparent),
        radial-gradient(1px 1px at 80% 10%, white, transparent),
        radial-gradient(2px 2px at 90% 60%, white, transparent),
        radial-gradient(1px 1px at 33% 75%, white, transparent),
        radial-gradient(2px 2px at 79% 53%, white, transparent),
        radial-gradient(1px 1px at 23% 10%, white, transparent),
        radial-gradient(1px 1px at 66% 33%, white, transparent),
        radial-gradient(1px 1px at 15% 85%, white, transparent),
        radial-gradient(2px 2px at 45% 20%, #ffd700, transparent),
        radial-gradient(1px 1px at 70% 80%, #ffd700, transparent);
    background-size: 200% 200%;
    background-position:
        0% 0%, 40% 60%, 50% 50%, 80% 10%, 90% 60%,
        33% 75%, 79% 53%, 23% 10%, 66% 33%, 15% 85%,
        45% 20%, 70% 80%;
    animation: twinkle 3s ease-in-out infinite;
    opacity: 0.8;
    background-color: transparent;
    z-index: 1;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

/* 솔 (Pine) 섹션 - 소나무 숲 */
#pine {
    background: linear-gradient(to bottom, #134E5E 0%, #71B280 100%);
    overflow: hidden;
}

#pine::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background:
        linear-gradient(to bottom, transparent 0%, rgba(20, 60, 40, 0.3) 100%);
    z-index: 1;
}

#pine::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    background-image:
        /* 소나무들 */
        conic-gradient(from 180deg at 50% 100%,
            transparent 0deg,
            transparent 130deg,
            #1a4d2e 130deg,
            #1a4d2e 230deg,
            transparent 230deg,
            transparent 360deg),
        conic-gradient(from 180deg at 30% 100%,
            transparent 0deg,
            transparent 140deg,
            #2d5f3f 140deg,
            #2d5f3f 220deg,
            transparent 220deg,
            transparent 360deg),
        conic-gradient(from 180deg at 70% 100%,
            transparent 0deg,
            transparent 135deg,
            #1a4d2e 135deg,
            #1a4d2e 225deg,
            transparent 225deg,
            transparent 360deg),
        conic-gradient(from 180deg at 15% 100%,
            transparent 0deg,
            transparent 145deg,
            #2d5f3f 145deg,
            #2d5f3f 215deg,
            transparent 215deg,
            transparent 360deg),
        conic-gradient(from 180deg at 85% 100%,
            transparent 0deg,
            transparent 140deg,
            #1a4d2e 140deg,
            #1a4d2e 220deg,
            transparent 220deg,
            transparent 360deg);
    background-size:
        200px 250px,
        180px 220px,
        190px 240px,
        170px 200px,
        185px 230px;
    background-position:
        50% 100%,
        30% 100%,
        70% 100%,
        15% 100%,
        85% 100%;
    background-repeat: no-repeat;
    z-index: 1;
}

/* 꿈 (Dream) 섹션 - 구름과 하늘 */
#dream {
    background: linear-gradient(to bottom, #a8edea 0%, #fed6e3 100%);
    overflow: hidden;
}

#dream::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        /* 구름들 */
        radial-gradient(ellipse 200px 80px at 20% 30%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(ellipse 180px 70px at 22% 32%, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(ellipse 250px 100px at 60% 60%, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(ellipse 220px 90px at 62% 62%, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(ellipse 190px 75px at 80% 20%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(ellipse 170px 65px at 82% 22%, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(ellipse 210px 85px at 15% 75%, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(ellipse 190px 75px at 17% 77%, rgba(255, 255, 255, 0.5), transparent);
    background-size: 100% 100%;
    background-position: 0 0;
    animation: float 20s ease-in-out infinite;
    background-color: transparent;
    z-index: 1;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* 타이머 섹션 - 시계 테마 */
#timer {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

#timer::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        /* 시계 원들과 점들 */
        radial-gradient(circle at 50% 50%, transparent 40%, rgba(255, 255, 255, 0.1) 40%, rgba(255, 255, 255, 0.1) 41%, transparent 41%),
        repeating-conic-gradient(from 0deg at 50% 50%,
            transparent 0deg,
            transparent 28deg,
            rgba(255, 255, 255, 0.2) 28deg,
            rgba(255, 255, 255, 0.2) 30deg,
            transparent 30deg);
    background-size: 400px 400px;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.3;
    background-color: transparent;
    z-index: 1;
}

/* 서비스 카드 */
.services {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.service-card {
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    padding: 2.5rem;
    border-radius: 15px;
    max-width: 500px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.service-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.service-card p {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 1rem;
    text-shadow: none;
}

.service-card .description {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
}

.btn {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.8rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.coming-soon {
    margin-top: 3rem;
    font-style: italic;
    opacity: 0.9;
}

.coming-soon p {
    font-size: 1.2rem;
}

/* 푸터 */
footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem;
}

footer p {
    font-size: 0.9rem;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .section h2 {
        font-size: 2.5rem;
    }

    .section p {
        font-size: 1.2rem;
    }

    nav h1 {
        font-size: 1.5rem;
    }

    .service-card {
        padding: 2rem;
    }

    .service-card h3 {
        font-size: 1.5rem;
    }

    .section {
        padding: 2rem 1rem;
    }
}

/* 스크롤 스냅 효과 (선택사항) */
html {
    scroll-behavior: smooth;
}