* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background-color: #0f0f0f;
    padding-bottom: 80px; /* 하단 바 공간 확보 */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

header p {
    font-size: 1.1em;
    opacity: 0.9;
}

main {
    background: #1a1a1a;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    border: 1px solid #2a2a2a;
    margin-bottom: 20px;
}

.content h2 {
    color: #667eea;
    margin-bottom: 15px;
}

.content p {
    margin-bottom: 10px;
    line-height: 1.8;
    color: #b0b0b0;
}

/* 고정 하단 바 */
.fixed-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #1a1a1a;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
    border-top: 1px solid #2a2a2a;
    z-index: 1000;
    padding: 15px 20px;
}

.bottom-bar-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.phone-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #e0e0e0;
    font-size: 1.1em;
    font-weight: 600;
    padding: 12px 20px;
    background: #252525;
    border: 1px solid #3a3a3a;
    border-radius: 8px;
    transition: all 0.3s ease;
    flex: 1;
    justify-content: center;
}

.phone-link:hover {
    background: #2a2a2a;
    border-color: #4a4a4a;
    transform: translateY(-2px);
}

.phone-icon {
    font-size: 1.3em;
}

.phone-number {
    letter-spacing: 0.5px;
}

.inquiry-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1.1em;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.inquiry-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.6);
}

.inquiry-btn:active {
    transform: translateY(0);
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }

    .bottom-bar-content {
        flex-direction: column;
        gap: 10px;
    }

    .phone-link,
    .inquiry-btn {
        width: 100%;
    }
}